Live Commentary: Australian Open day four - as it happened

Live Commentary: Australian Open day four - as it happened
© AP Photos
Live coverage from day four of the Australian Open.

Laura Robson fought back from a set down to beat eighth seed Petra Kvitova on day four of the Australian Open, causing the biggest upset of the day.

Andy Murray also booked his place in the third round, with a straight sets win over Joao Sousa, to make it three Brits in round three.

There were also wins for world number two Roger Federer, defending women's champion Victoria Azarenka and Serena Williams.

Read how all the action unfolded below:

12.02amHello and welcome to our coverage of day four of the Australian Open.

12.03amYesterday Novak Djokovic breezed into the third round and we have the rest of the second round action for the next 11 or so hours. So stay with us!

12.05amTwo Brits, Andy Murray and Laura Robson, are in action today and we also have Serena Williams and Roger Federer. It should see some exciting tennis.

12.07amMurray is due to play his match against Joao Sousa at approximately 2am, while Robson starts at 10am.

12.07amA note on Robson, up against Petra Kvitova, the Melbourne-born 18-year-old is playing on Rod Laver. A big honour.

12.09amThe two big opening games are Victoria Azarenka - defending champ - against Greek Eleni Daniilidou and Jo-Wilfried Tsonga against Go Soeda.

12.11amI'm starting with Azarenka. Daniilidou is ranked 94, so you'd expect a simple passage from the world number one, but you just never know with women's tennis.

12.14amThey're just finishing their warm-ups now and we're almost ready to start.

12.15amThe high temperature expected today in Melbourne is 39 centigrade. Wow. Any five-setters will be extra gruelling today!

12.16amAzarenka gets us underway and starts with two points full of thumping baseline play.

Azarenka 1-0* DaniilidouThe Belarusian starts with a comfortable service game, ending it with a big ace. Perfect start.

Azarenka *2-0 DaniilidouBREAK! The Greek cannot cope with the power of Azarenka. More huge baseline winners in Daniilidou's opening service game and she finally wins a point with a controlled smash at the net. However, it's not enough to stop a comfortable Azarenka break with two double faults ensuring a poor start.

12.23amGerman 17th-seed Philipp Kohlschreiber has two early breaks against Amir Weintraub. He leads 4-1 on his serve.

Azarenka 3-0* DaniilidouMore punishing play from Azarenka, who is really finding the corners and sides with her shots. It's another comfortable service game and the dominant Azarenka is three up after just nine minutes. Could be a swift day's work for the 23-year-old.

12.27amShe's really struggling on her serve the Greek and now she has to face the sun with her next service game. The first point follows a similar pattern as she's run ragged around the court before Azarenka finishes with a backhand winner.

Azarenka *4-0 DaniilidouBREAK! Daniilidou is having minor success at the net - certainly more than from the baseline. But Azarenka again breaks comfortably with another double fault to finish the game off.

12.30amI wonder what would have happened had Azarenka played Kristyna Pliskova, who Daniilidou beat in the first round! That one was a close three-setter, however.

Azarenka 5-0* DaniilidouA couple of unlikely poor shots from Azarenka give Daniilidou a look-in to her serve. However she recovers with a thumping serve that cannot be returned and once more takes the game. Just one needed for a rapid set lead. Only 17 minutes so far!

12.34amTsonga has broken Soeda. He's now serving at 4-2.

Azarenka *5-1 DaniilidouFinally some promising play from Daniilidou, who finds the target with some angled winners and she's on the scoreboard. She suddenly came to life there to save the bagel.

Azarenka 6-1 0-0* DaniilidouSET! Daniilidou is coming into the rallies more now, although Azarenka will overpower most in the WTA. The Greek tries to mix it up but an attempted drop shot ends with a simple winner for the Belarusian. She's a set up after 24 minutes with a powerful backhand down the line.

12.41amSET! Kohlschreiber 6-2 Weintraub

12.41amSET! Mayer 2-6 Berankis

Azarenka 6-1 *1-0 DaniilidouBREAK! The umpire overrules a non-call superbly, which seemed to fluster the Greek, with her serving up a double fault straight after. Azarenka breaks at the first time of asking in the set.

12.48amDaniilidou hits a superb whipped forehand that would have beaten most players, but Azarenka defends and wins an excellent point for 30-15.

Azarenka 6-1 2-0* DaniilidouAzarenka wins the game with an emphatic smash after a deep forehand right into the corner.

12.50amSET! Tsonga 6-3 Soeda

12.52amDaniilidou defends well to stay in a superb rally but eventually offers up a semi-lob to be smashed home by Azarenka. Really good point that.

Azarenka 6-1 *3-0 DaniilidouBREAK! Daniilidou's backhand continues to be too floaty and Azarenka doesn't need more than one invitation to hit a winner. Daniilidou goes long in another rally and it's the second break of the set.

1.01amFabulous point at deuce! 23 shots of power from Azarenka and slices from Daniilidou ends with an unbelievable drop shot that the Greek cannot even move for.

Azarenka 6-1 4-0* DaniilidouAt 0-40 Azarenka decides to turn it on. The final break point is saved with a superb backhand to wrong-foot her Greek opponent. Then came that superb rally and instead of a break the top seed is 4-0 up in the second.

1.02amSET! Seppi 7-6[4] Istomin

1.05amDaniilidou throws away 40-15 on her serve with a horrible sliced shot to bring up deuce.

Azarenka 6-1 *5-0 DaniilidouStill no game in this set for the Greek and Azarenka will now serve to wrap up the match.

1.09amSET! Mayer 2-6 3-6 Berankis. Lots to do now for the 25th seed as the Lithuanian goes two sets up.

1.09amTsonga has been broken in the second set against Soeda and is now 4-1 down.

Azarenka 6-1 6-0 DaniilidouGAME, SET AND MATCH! Despite minor resistance the dominance of Azarenka wins through. It was all wrapped up in under an hour for the Belarusian. She couldn't have asked for a safer passage into the third round.

1.13amAzarenka is speaking to Eurosport: "Today was much better. I feel like I'm back in competitive mode and the tournament."

1.15amHere's our match report of Azarenka's easy passage into the third round.

1.16amElsewhere, Berankis is now 2-0 and a break up against Mayer. It's not looking good at all for the German.

1.17amI'm going to follow the intriguing Tsonga vs. Soeda battle for a little while at least. Currently Tsonga is a set up but a break down at 4-2 in the second.

Tsonga 6-3 *2-5 SoedaComfortable service game for the Japanese and he's close to levelling things.

1.20amKohlschreiber is currently in a tie-break in the second set against the Israeli qualifier Weintraub. The German is a set up, remember.

Tsonga 6-3 3-5* SoedaTsonga wraps up a comfortable service game to at least make Soeda serve for the match.

1.23amReally lively player at the net, Soeda. He's won a couple of really good points here.

1.24amA bruising response of power from Tsonga levels the game. Wonderful accuracy with a forehand set him up to hit the winner the opposite side.

1.25amSET! Weintraub 2-6 [4]6-7 Kohlschreiber

Tsonga 6-3 *4-5 SoedaBREAK! Fantastic response from 30-0 down from Tsonga. He turns it on and gets the break to put this set back on serve.

1.29amSerena Williams is next up on Rod Laver. I'll go to that one after this set. The American fell badly on her ankle in round one, so there's an interesting spin on today's game.

1.30amGAME, SET AND MATCH! Mayer 2-6 3-6 1-6 Berankis The 25th seed has been dumped out emphatically in straight sets.

Tsonga 6-3 5-5* SoedaTsonga levels it with a comfortable service game and he looks to be flying right now.

Tsonga 6-3 *5-6 SoedaSoeda recovers well from three straight games lost and manages some excellent serves to take this one without too much resistance.

1.35amSET! Peng 5-7 Kirilenko

1.37amSoeda unleashes a superb backhand down the line to edge ahead, but follows it up with a long forehand. 30-30.

Tsonga 6-3 6-6* SoedaAn even better backhand from Tsonga gets the game to take us into a breaker.

Tsonga 6-3 7-6[1] *0-0 SoedaSET! Soeda start the breaker with a poor forehand into the tramlines. Tsonga is immediately 3-0 up with two booming serves and goes 5-1 in front with a forehand after advancement to the net. He dominates the tiebreak 7-1 to move into a 2-0 lead.

1.44amThis is good, so I'm going to stick with it until Murray is due on court in around 20 minutes.

Tsonga 6-3 7-6[1] 1-0* SoedaGood start from Tsonga, who fights off resistance from the Japanese to win the first game of the set with an ace down the T.

1.49amSET! Seppi 7-6[4] 5-7 Istomin

Tsonga 6-3 7-6[1] *1-1 SoedaSoeda holds in a competitive game and we're with serve so far.

1.52amWilliams has an early break in her game and currently leads Garbine Muguruza Blanco 3-1.

Tsonga 6-3 7-6[1] 2-1* SoedaTsonga works the crowd with a power smash from an attempted lob by Soeda and follows that with a thumping ace down the middle. No sign of the Japanese getting close to a break any time soon as Tsonga advances to the net to win the game with a neat volley.

1.59amAbsolutely superb backhand from Soeda there. Tsonga came to the net and tried an unorthodox smash. He didn't get enough on it and saw the ball fly back past him across the court.

Tsonga 6-3 7-6[1] *2-2 SoedaHe's a bit more comfortable on his own serve now is Soeda as the Tsonga momentum has just levelled out. A good hold.

2.02amGAME, SET AND MATCH! Weintraub 2-6 [4]6-7 4-6 Kohlschreiber A good effort from the Israeli, but the 17th seed was just too strong.

Tsonga 6-3 7-6[1] 3-2* SoedaTsonga holds to love in just a couple of minutes and we're still with serve in this third set.

2.04amThe 13th seed Milos Raonic from Canada is underway in his match against Lukas Rosol. It's currently 2-1 to the Canadian in the opening set, with serve.

2.07amA bit more on that Mayer defeat here. If Murray defeats Sousa later, Mayer's victor Ricardas Berankis awaits.

Tsonga 6-3 7-6[1] *4-2 SoedaBREAK! And that could be that here. Tsonga ups his tempo to break Soeda at a very good time in the set.

2.09amGAME, SET AND MATCH! Peng 5-7 2-6 Kirilenko 14th seed Maria Kirilenko is safely through against Shuai Peng of China.

Tsonga 6-3 7-6[1] 5-2* SoedaTsonga breezes through another service game. Now Soeda must hold to force the Frenchman to serve it out.

2.10amSET! Williams 6-2 Muguruza

Tsonga 6-3 7-6[1] *5-3 SoedaExcellent serving from Soeda, who zips through an ace down the T to ensure the match win is be in Tsonga's hands.

2.14amTsonga advances to the net on the first point to volley the winner. He takes up a lot of the net when he's up there!

Tsonga 6-3 7-6[1] 6-3 SoedaGAME, SET AND MATCH! Another dominant service game for the Frenchman brings the match to an end. He had a scare at 5-2 down in the second set, but otherwise did what he needed to get through in straight sets.

2.23amSo Murray should be up next on Hisense. I'll update from the other courts until I've got confirmation of that.

2.24amThere still hasn't been a game completed since Williams won that first set. The pair are locked in a deuce battle on Muguruza's serve.

2.26amRaonic and Rosol is still going with serve. They are currently tied at 5-5 in the opening set, now on the Canadian's serve.

2.27amLet's get straight to Murray, who is up against Sousa of Portugal. The Portuguese is serving first.

Sousa 1-0* MurraySousa showing few nerves early on, and even gets to the net for a serve and volley point. It's a battle on nearly every point but Sousa takes the opener; good start for him.

2.32amWilliams managed to break that opening game of the second set, by the way, and she's now raced into a 3-0 lead.

Sousa *1-1 MurrayVery comfortable opening service game for Murray as he loses just one point on his way to levelling the set.

Sousa 1-2* MurrayBREAK! A double fault at a bad time for Sousa gifts Murray two break points and he gets it with the second of them. An early breakthrough for the Brit.

2.38amSET! Raonic 7-6[2] Rosol

SET! Seppi 7-6[4] 5-7 [3]6-7 Istomin

2.40amTsonga was critical of his performance against Soeda, despite winning in straight sets. Take a look what he said with our reaction.

Sousa *1-3 MurraySousa saves a game point with a very good advancing forehand winner, but Murray responds with an unbelievable backhand down the line after being run ragged by the Portuguese and an ace.

2.44amWilliams is about to wrap up victory. She's serving at 5-0 in the second.

Sousa 1-4* MurrayBREAK! It's very comfortable for Murray now. He claims the double break after some poor hitting from Sousa.

2.47amGAME, SET AND MATCH! Williams 6-2 6-0 Muguruza. So Williams has dropped just two games in two matches so far as she cruises into the third round. What ankle injury?

2.49amIt's not just her ankle. Apparently she hit her own face with her racquet during the first set. Tweet from @AustralianOpen: "#Williams in the wars. She just hit herself in the face after following through too far on her forehand. #ouch". Still, she's destroying everyone in her path on court.

2.51amSousa putting up a fight here on Murray's serve, it's deuce.

Sousa *1-5 MurrayBut, Murray holds again to enforce the double break. Five games in a row and this set will be wrapped up inside half an hour.

Sousa 2-5* MurrayMaybe not half an hour... but close. Sousa stops the rot with a solid service game and Murray will have to hold now to wrap up the set.

Sousa 2-6 *0-0 MurrayNo problems at all for Murray in serving out for the set. He takes the game to love to convert a very solid start in 31 minutes.

Sousa 2-6 0-1* MurrayBREAK! Sousa starts strongly, but Murray finishes stronger to break at the first time of asking.

3.05amAussie hopeful Bernard Tomic is underway in his match against Daniel Brands of Germany.

Sousa 2-6 *0-2 MurraySousa battles to get 15-30 ahead in the game, but then throws it away by going long with a forehand. He tries a drop shot, which is never a good idea against the rapid Murray, but an even worse idea if it's going to bounce shoulder height for an easy winner. Murray wraps up a close game after deuce.

3.09amSET! Raonic 7-6[2] 6-2 Rosol

Sousa 2-6 0-3* MurrayBREAK! Murray getting pushed around a little bit in that last game as Sousa looks to boss his own serve. However, it's the same result as Murray finishes the game well to storm 3-0 ahead. He owes a lot to a terrible volley from the Portuguese at the end there that went long.

3.15amMurray opens his next service game with ace number three.

Sousa 2-6 *0-4 MurrayMurray mishits a forehand into the tramlines but the odd mistake isn't causing any issues as he takes the game comfortably anyway.

Sousa 2-6 1-4* MurraySluggish from Murray in that game, with several long and wide efforts, as Sousa takes his first of the set. I think that's the first game to love he's taken in the match.

3.20am21st seed Andreas Seppi and Denis Istomin of Uzbekistan are locked at 4-4 in the fourth set. Currently Istomin leads 2-1 overall. Potential five-setter brewing there.

3.25amHere's what Serena Williams had to say about her injuries after her straight-sets win today.

Sousa 2-6 *1-5 MurrayMuch better from Murray at the start of the game as the Portuguese doesn't get much of a look-in at his serve. However he rallies himself into contention by levelling at deuce. Murray eventually holds.

3.27amWow. Sousa finds a great angle with a wide serve but Murray smashes it back past him with the forehand.

Sousa 2-6 2-5* MurrayHowever, Sousa recovers well to take another service game after a deuce. Just one this time compared to the three on his last serve. Murray to serve for the set.

Sousa 2-6 2-6 *0-0 MurraySET! Ace, ace, serve volley winner, and a second-serve forehand winner. With that, Murray takes the second set in a flash.

Sousa 2-6 2-6 0-1* MurrayBREAK! He had to work for it, but Murray again breaks early in the set. The writing is on the wall here.

Sousa 2-6 2-6 *0-2 MurraySimple as you like. Sousa plops a return long and Murray holds to love. He's not used up much energy in this one Murray.

3.42amVery well played from Sousa there. He had Murray running all over the court and the Brit was reaching everything until the smash from Sousa took the point.

Sousa 2-6 2-6 1-2* MurrayDespite a classic Murray point - driven forehand to the corner and a volley, Sousa takes the game with some good tennis throughout.

3.44amSET! Seppi 7-6[4] 5-7 [3]6-7 7-6[3] Istomin. Just as I suspected, this one is going all the way. Three of the four sets have been breakers, too. Nothing at all in it.

3.45amSET! Brands 7-6[4] Tomic

Sousa 2-6 2-6 *1-3 MurrayHe's winning this at a canter now. Not even that; a trot. A dodgy let call stops him winning the game with an ace out wide, so he goes down the T and that one stands.

Sousa 2-6 2-6 2-3* MurrayComfortable hold for Sousa, who has a couple in a row on his own serve. Bit of frustration from Murray in that one; I can't see what for, I think noise from the crowd. Not sure how he heard anything, the atmosphere has been appalling today.

Sousa 2-6 2-6 *2-4 MurrayGood play from Murray to open up the court with a drop shot to leave a simple volley. From there it's plain sailing and he holds to love.

Sousa 2-6 2-6 3-4* MurrayMurray gets the better of a terrific rally to go 15-30 up but Sousa levels with an excellent deep punch right on the baseline. Then good play from the Portuguese keeps him just one break behind.

4amSeppi has just taken what could be a match-deciding break against Istomin. He leads 3-1 on his serve.

Sousa 2-6 2-6 *3-5 MurrayMurray back to being dominant on his first serve. So many are making it in, which bodes well for the rest of the tournament. One game needed to win the match now.

Sousa 2-6 2-6 4-5* MurrayHe's still hanging on, is Sousa. Another love game but if he doesn't break here, it's over. Murray to serve for the match.

Sousa 2-6 2-6 4-6 MurrayGAME, SET AND MATCH! It seemed to take longer than I was expecting, but Murray does take the final set. And the match with it. He coasted through without ever changing up a gear, to be honest.

4.12amRight folks, I’m off for a short break. Don’t panic, though, the excellent Liam Power is here to see you through the next half-hour or so.

4.13pmThanks Matt, let's head over to watch Yanina Wickmayer serve for a place in the third round.

4.15pmWickmayer looks to have taken full advantage of an injury to opponent Jana Cepelova to book her place in round three.

Wickmayer 7-6 7-6 CepelovaGAME, SET AND MATCH! Wickmayer earns a hard-fought win and celebrates her place in the last 32 in some style. Big win for the Belgian.

4.20pmA quick spot of channel hopping and we will head to the Rod Laver Arena, where local favourite Bernard Tomic is in danger of an early exit.

4.22pmTomic lost a first-set tie break to Daniel Brands and the big-serving German is currently serving to go 6-5 up in the second.

4.25pmBrands has squandered two game points on serve and the pair are locked at deuce.

Tomic 6-7(4) 6-5 BrandsBREAK! Tomic digs deep to launch a forehand winner down the line and earn a crucial break. In the punishing Melbourne heat it's vital for the Aussie that he doesn't go two sets down.

4.27pmTomic is serving for the second set but quickly falls 0-30 down, much to the frustration of a packed Rod Laver Arena.

4.28pmA good response from the 20-year-old to win three successive points and earn a chance to win the second set.

Tomic 6-7(4) 7-5SET! Tomic keeps his nerve to draw level at a set apiece.

4.31pmOver at the Hisense Arena an intriguing match has just got underway. 16-year-old Donna Vekic is up against Caroline Wozniacki as the London-based starlet continues her Grand Slam debut.

4.33pmThe 10th seed comes from 0-40 down to hold her opening service game and quickly has her young opponent under pressure at 30-30.

Wozniacki 2-0 VekicBREAK! Vekic misses a routine volley and loses her first game on serve to fall 2-0 behind. Important for the youngster to try to gain a foothold in this match before it's too late.

4.38pmVekic shows fight at the baseline and has two break points of her own in the very next game.

Wozniacki 2-1 VekicBREAK! An instant reply from the youngster, we have a match on our hands here. Vekic takes advantage of a narrow serve to get her first game on the board.

4.42pmA quick update from Rod Laver and the third set between Tomic and Brands is still on serve, with the German currently 3-2 ahead.

Wozniacki 3-1 VekicBREAK! Vekic is put right back in her place as Wozniacki breaks to love. The Dane is firmly back in the driving seat against the 16-year-old Aussie Open debutante.

4.45amHi all, I'm back to see you through the rest of the day. Well, morning.

Wozniacki 4-1* VekicFor a moment then I didn't think anyone wanted to hold their serve. However Woznacki has done just that and the Dane is heading towards the opening set here.

Wozniacki *5-1 VekicBREAK! Alarmingly comfortable break for the Dane there and she now serves for the set.

4.53amIf you don't pay attention to the change of ends you can lose which player is which. Both are wearing white and yellow, both have the same colour hair, sun visor and white shoes. There should be rules about this sort of thing.

Wozniacki 6-1* VekicSET! Well, after the break back by Vekic it was looking like it could be close. But since then Wozniacki has dominated, despite being run close in this game, and takes the first set.

5.01amI don't think this one will last too much longer, so I'm going back to Rod Laver where Tomic and Brands are currently in a tie-break.

5.04amIt's 3-3 in the breaker, with Brands getting on top of the point through some thumping forehands to both sides.

Tomic 6-7[4] 7-5 7-6[3] BrandsSET! After that point Tomic dominated the rest of the breaker and he moves into a two-set lead. Despite going all the way that set was only 36 minutes long.

Tomic 6-7[4] 7-5 7-6[3] 1-0* BrandsTomic blows through the first game of the set, taking it to love on his serve.

5.12amWozniacki already has a break of serve over Vekic. She leads 2-1 in the second on her serve.

5.13amSET! Ram 5-7 Cilic

Tomic 6-7[4] 7-5 7-6[3] *1-1 BrandsNot quite as fast from Brands, but he too comfortably holds serve at the start of the set. Tomic wants to wrap this up in four and Brands needs to win this one so the next break is vital.

5.15amSuperb forehand down the line from Brands and he's up 30 in the game.

5.15amHowever, two strong serves and Tomic is level in an instant.

Tomic 6-7[4] 7-5 7-6[3] 2-1* BrandsThat was a big chance for a break for the German, but he could only plop the returns back to Tomic at 0-30 up. As such Tomic recovered to hold.

5.19amTomic now goes up 0-30. You'd fancy him for the break now.

5.20amWell.. instead of making it 0-40 he puts a simple forehand into the tramlines.

Tomic 6-7[4] 7-5 7-6[3] *2-2 BrandsA lovely lob from Tomic is recovered through his legs by Brands, but he can't keep it in bounds for a Tomic break point. A big forehand and a big serve put Brands back on top and he clinches the hold with an ace. Good determination there.

Tomic 6-7[4] 7-5 7-6[3] 3-2* BrandsTomic comes from behind again to hold, and he too finishes off with an ace.

Tomic 6-7[4] 7-5 7-6[3] *3-3 BrandsA simple service game form Brands keeps us level in this fourth set. Can either man get a break?

Tomic 6-7[4] 7-5 7-6[3] 4-3* BrandsThere's really very little competition on either serve. Rallies aren't lasting very long and there's a lack of urgency for both men to go for the break, even though it's becoming very important. Two tie-breaks already, maybe they want a third?

5.31amWozniacki needs just one more game to beat Vekic. She's up 5-3, but Vekic is serving.

5.31amToo many returns are either off target or not strong enough to get the receiver in the rally in this one.

Tomic 6-7[4] 7-5 7-6[3] *4-4 BrandsBelieve it or not, that's another hold. The serves aren't particularly brilliant, but they seem to be dominating.

Tomic 6-7[4] 7-5 7-6[3] 5-4* BrandsSuperb shot. Finally a serve is attacked but Tomic flicks his wrists and knocks a spinning forehand flying over the net. It ends the same way as countless other games - a service hold. Tomic needs just one more, will he try to do it on the break here? That seems unlikely.

5.36amSET! Simon 2-6 Levine. Potential upset as Canadian Jesse Levine is up comprehensively on 14th-seed Gilles Simon.

Tomic 6-7[4] 7-5 7-6[3] *5-5 BrandsThe German hits his 65th winner and Tomic follows it up next shot with a superbly disguised drop shot. Poor forehand gives Tomic match point, but it's saved with a huge ace. He wins the game with another, very good hold that.

5.40amGAME, SET AND MATCH! Wozniacki 6-1 6-4 Vekic Comfortable if not dominant for the Dane, but Vekic has a bit future ahead of her you feel.

Tomic [4]6-7 7-5 7-6[3] 6-5* BrandsMeanwhile, Tomic wraps up another service game to love. The German's only chances seem to be tie-breaks and if he holds here he'll have another shot at one.

Tomic [4]6-7 7-5 7-6[3] *6-6 BrandsTomic turns it up at just the right time and works two match points. He blows the first with a poor shot into the net and Brands saves the other with a superb wide ace. The German works himself an advantage but Tomic saves that with a spinning forehand that Brands nets. A phenomenal points sees Tomic eventually go long. Tie-break again.

5.50amOne apiece in the breaker, no serve advantage as yet.

5.50amBrands nets and the mini-break goes to the Australian. He assures this with an ace down the middle.

5.53amTomic now leading 5-3 in the breaker and he's closing in. It's 6-3 with a superb forehand winner and three match points.

5.55amBrands saves all three! It's 6-6!

5.56amBrands now leads 8-7 after saving seven match points so far.

Tomic [4]6-7 7-5 7-6[3] 7-6[8] BrandsGAME, SET AND MATCH! Finally, Tomic manages to see off the German. Brands cannot save match point eight and the Australian advances, probably to face Roger Federer.

6.07amLet's head to the Gael Monfils vs. Yen-Hsun Lu game. Both players are unseeded but both, in particular Monfils, are good to watch.

Lu *1-1 MonfilsThe Frenchman shows good pace on the ground to hold his service game and early on there's not a lot to choose between the two.

6.13amBack to Tomic for a minute. In his interview he said something along the lines of "anyone can play well against anyone, as you've just seen from Brands". Pretty sure Tomic is unseeded too..

Lu 2-1* MonfilsAnyway, Lu holds serve as well. It's apparently 40C out there now. I couldn't even lie down in that heat, let alone play tennis!

Lu *2-2 MonfilsFor the first half of that game Monfils looked lazy and confused, but then he started to play and turned around 15-40 to win the game.

6.19amSET! Simon 2-6 6-3 Levine

6.21amJames Duckworth and Blaz Kavcic are locked in a fifth-set battle. It is 8-7 to Kavcic, but Duckworth is on serve. That one started coming up to five hours ago now.

Lu 3-2* MonfilsMonfils limped slightly in that game after a slide, but he didn't call the trainer. He's not moving properly out there though.

Lu *3-3 MonfilsA reasonably comfortable hold for Monfils there and neither player has really had a look-in at his opponent's serve so far, half way through the set.

Lu 4-3* MonfilsLu, likewise, drops just one point on his serve.

6.28amThe Duckworth/Kavcic game is still with serve in the decider. The Slovenian is now 9-8 up.

Lu *4-4 MonfilsGame to love for Monfils now. No problem at all for him, yet I don't think there's been a break point all game so far.

Lu 5-4* MonfilsThis one was much closer and Monfils started to attack Lu's serve, but the latter held on once more. The Frenchman looks most likely to break, though.

6.38amGAME, SET AND MATCH! Duckworth 6-3 3-6 4-6 7-6[3] 8-10 Finally over and Kavcic got the vital break.

Lu *5-5 MonfilsMonfils dropped one point that time on his way to a hold of serve. Lu is getting nowhere near a break. This one is heading for a tie-break.

Lu 6-5* MonfilsIndeed if Monfils can hold serve then it'll be decided with a breaker. It's being played at a very relaxed pace. I blame the heat, I certainly wouldn't want to be running around.

6.42amBig forehand from Monfils sets up a cross-court volley; good point for the Frenchman.

6.43amMore from Tomic after his win over Brands here.

6.44amWe're at 30-30 here, Lu can smell blood and is attacking Monfils's serve. Now a set point Lu...

Lu *6-6 MonfilsLu telegraphed a drop shot but got another chance to hit a winner, putting the backhand wide of the line. Monfils recovers to take it to the breaker.

6.50amLu gets the early mini-break but at a crucial 3-1 he completely mishits a forehand out of play. Lifeline for Monfils.

6.53amStill very little in this in the breaker. Monfils has the mini-break now and leads 5-4 on serve. Two points needed for him.

6.54amHe too miscues, this time a backhand, but it's wildly out of the court. Appalling shot. However he puts it behind him to move ahead 6-5. Set point.

Lu [5]6-7* MonfilsSET! Big rally ends in another unforced error from Lu and Monfils takes the set.

Lu [5]6-7 *0-1 MonfilsMonfils starts with an ace. Lu cannot find his range at the moment and goes long again to gift game point, which Monfils takes with a deft drop volley.

Lu [5]6-7 1-1* MonfilsBit baseline rally with well-struck shots from both men, but again it goes Monfils's way as Lu hits the net. Lu recovers well with some good serves to take control and takes an important hold.

Lu [5]6-7 *1-2 MonfilsDominant service game from Monfils. He moves the court really well on the last point, comes to the net and volleys an easy winner. He's certainly been the better, I'm just surprised he doesn't hold more of a lead.

7.09amLu picks up his movement, bringing Monfils to the net before lobbing delightfully over his head. Great point.

7.10amMonfils responds with a punishing backhand winner right down the line. Again great movement from Lu, this time at the net as he volleys cross-court.

7.13amA note on the order of play tomorrow: Heather Watson, Britain's number one, will open proceedings on Hisense. Click here for the full story.

7.13amA gruelling game this one. Monfils really wants that break but Lu is managing to hold him off.

Lu [5]6-7 2-2* MonfilsLu does eventually hold, and that was important. An absolutely superb point, consisting of several defensive lobs from Monfils and three or four smashes from Lu, who finally gets one right for the winner. Still no break.

Lu [5]6-7 *2-3 MonfilsThat could go down as showboating from Monfils. He double-checks the score with the umpire before hammering down an ace for the hold to love.

7.20amMonfils gets the early lead in the game, but goes long to end a rally in which he was the aggressor.

Lu [5]6-7 3-3* MonfilsIt's another close one and another show of aggressive hitting from Monfils, but Lu is able to hold once more. I'd put my mortgage on another tie-break here.

7.23amFantastic few points from Monfils. First an ace wide left before two points in which he forced Lu wide and finished with a deft volley to the open court.

Lu [5]6-7 *3-4 MonfilsHe then hits a double fault, but it's another comfortable hold and the pressure returns to Lu. Most of the play is coming from Monfils - at least on his own serve but he has to translate this to earn a break.

7.26amA look back at the Simon game. He now leads 2-1 in sets after taking the third in a breaker. Good comeback from him.

Lu [5]6-7 4-4* MonfilsGood power from the baseline from Lu early in the game gets him a 30-0 lead and he finishes it easily for the first hold to love he's had for a while. Still no break points for Monfils.

7.28amTerrible leave from Monfils! He motioned for the volley after the shot down the line from Lu but decided to leave it! It ended a feet inside the line. He's in trouble at 0-30.

Lu [5]6-7 *5-4 MonfilsBREAK! Excellent baseline play from Lu sends Monfils running before the eventual backhand winner. He earns two break points from that but only needs one and it's the very first break of the game! Suddenly Lu's serving for the set to level the match.

Lu [5]6-7 6-4 0-0* MonfilsSET! Huge rally with both men trading baseline shots. Monfils goes for the kill with the drop shot but Lu glances a return clear of the Frenchman. Lu steps it up and gets three set points... Of which he needs just one! A huge ace wins it and after being behind for much of the set, Lu is level overall.

7.36amExcellent start to the third set from Monfils, with a winner down the line on the forehand.

7.37amA deft touch at the net from Monfils to round of a well-worked point, but then he undoes it by flicking a baseline shot way wide.

7.38amGood, powerful baseline rally ends with Lu finishing it with a powerful forehand winner.

Lu [5]6-7 6-4 *1-0 MonfilsBREAK! Lu carves out another break point, but poor shot selection at the net brings it back to deuce. Monfils is again hurt, forcing him to play between his legs and he wins the points after Lu hits the net. He gets another break point and this time wins it at the net. Monfils looks very tired.

Lu [5]6-7 6-4 2-0* MonfilsLu is firmly in control now and Monfils looks less and less mobile by the game. It's a hold to love and the last two shots Monfils didn't even move for it.

7.47amGAME, SET AND MATCH! Simon 2-6 6-3 7-6[4] 6-2 Levine

Lu [5]6-7 6-4 *3-0 MonfilsBREAK! Monfils still refuses to give up, despite his clear injury. He has always had injury troubles and they have struck again here in the second round of the Australian Open.

Lu [5]6-7 6-4 4-0* MonfilsIt's cruel now. Lu obviously is just playing his normal game, but it's kind of looking like he's picked a competition winner from the crowd to play against.

7.55amFantastic forehand from Lu - even a fit Monfils wouldn't have reached that one.

Lu [5]6-7 6-4 *5-0 MonfilsBREAK! A rapid break from Lu and he's one game away from going 2-1 up in sets. No resistance whatsoever from Monfils, surely he should just call it a day?

Lu [5]6-7 6-4 6-0 0-0* MonfilsSET! As expected, although Monfils got a couple of points, Lu wraps up the set with a bagel. He leads 2-1. Monfils will continue somehow.

8amThat's all you're getting from me! Sian Cowper is on hand to take over for the remainder of the action. Over to you, Sian.

8.04amThanks Matt. Good morning all. We'll be moving back to the Rod Laver Arena shortly with the evening matches getting underway in the next few minutes. It's two crackers there today. Roger Federer will face Nikolay Davydenko first, before Laura Robson looks to became the third Brit to make it in to the third round of the singles, when she takes on former Wimbledon champion Petra Kvitova.

8.06amWe'll still be keeping on eye on the match between Monfils and Lu. The last set was painful to watch as the Frenchman battled injury. He's started the fourth set well though, holding his serve in the first game.

8.10amDavydenko and Federer have begun their warm-ups, and are almost ready to go. Federer will be the favourite on paper, but Davydenko has been resurgent of late, so this one should be a good contest.

8.12amA bit of news from the doubles, Serena and Venus Williams have progressed to the second round of the women's tournament, with a 6-3 6-1 win over Camila Giorgi and Stefanie Vogele.

Davydenko *0-1 FedererNot the smooth start the number two seed would have been looking for, but Federer holds his serve. He founds himself 15-30 down and had to rely on a couple of second serves, but he won't be too concerned.

8.15amOver in the Hisense Arena, whatever injury was plaguing Gael Monfils has cleared up. He's leading 4-1 in the fourth set.

8.17amAlso, on the Margaret Court Arena, Juan Martin Del Potro has just begun his second-round match against Benjamin Becker.

Davydenko 1-1* FedererDavydenko raced to a 40-0 lead before Federer fought back, winning a high-paced rally with a cross-court backhand. Despite dropping a couple of point, Davydenko holds his nerve to take the game.

Davydenko *1-2 FedererFederer is producing some stunning serves early in this match, but isn't quite up to full pace yet, finding the net with two volleys during the last game.

8.25amSET! Lu [5]6-7 6-4 6-0 1-6 Monfils. Somehow, Monfils manages to put the injury that pained him throughout the third set behind him to level the match, and they will now head in to a deciding set in the Hisense Arena.

Davydenko 2-2* FedererFederer brings up the first break point of the match, but misses out in a sensational rally with the Russian. Davydenko fights back to get advantage before showing his pace behind the baseline to beat the second seed in another lengthy rally. Impressive stuff from the Russian.

8.34amAnother men's singles match is just starting on court two. Ninth seed Richard Gasquet, who has been in impressive form recently, takes on Alejandro Falla.

Davydenko *2-3 FedererDavydenko is making Federer work for every point. The Swiss player serves a rare double fault at the start of the game, before having to face several deuce's before taking the game.

8.39amGAME, SET AND MATCH! Stephens 6-4 6-3 Mladenovic Sloane Stephens is safely through to the third round of the women's singles with an easy win over Kristina Mladenovic.

8.41amGAME, SET AND MATCH! Jovanovski 7-5 7-5 Safarova A bit of a surprise on court three as the 17th seed is knocked out in straight sets by Bojana Jovanovski.

Davydenko 2-4* FedererBREAK! Federer gets the break following a lengthy game. A couple of basic mistakes from Davydenko gifts the game to Federer. The Russian will need to hit back quickly to stay in the set.

Davydenko *2-5 FedererSome crushing serves from Federer sees him easily hold his serve, and is now just one game away from taking the first set. Any struggles he was having a few games ago seem to have left him.

Davydenko 3-6* FedererDavydenko seems to have lost his confidence from the early part of the set, missing several first serves, and having to rely on long shots from Federer to get points. However, after facing a couple of set points, Davydenko finds an ace to take the game, and force Federer to try to serve out the set.

8.54amSET! Del Potro 6-2 Becker. It's been a quick start from the sixth seed in the Margaret Court Arena.

8.55amSET! Davydenko 3-6 Federer

8.56amDavydenko offered little resistance against the Federer serve in the final game of the first set. Some flashes of brilliance from the Wimbledon champion in the opening set. Davydenko will have to dip deep to stay with him.

Davydenko 3-6 1-0* FedererFederer makes it tough on Davydenko, but the Russian holds his opening service game of the second set. A double fault from Davydenko had put Federer in a strong position, but he couldn't take advantage of it, getting the ball caught in the net.

Davydenko 3-6 *1-1 FedererAnother straight-forward game for Federer, allowing Davydenko just the one point.

Davydenko 3-6 1-2* FedererBREAK! Davydenko starts the game well, serving up his second ace of the match, but some devastating returns from Federer gives him his first chance to break in the second set, and he takes it.

9.08amSET! Falla 3-6 Gasquet. The French player continues his recent good run with a comfortable win in the first set of his second round match.

Davydenko 3-6 *1-3 FedererFederer really is flying now. Davydenko is struggling to return to Federer serve, and will find it difficult to get the break back unless he can move in to another gear.

Davydenko 3-6 2-3* FedererFederer brings up another break point, but Davydenko dips deep, beating the Swiss with a two-handed volley, before forcing a mistake from Federer to take the game.

9.16amDavydenko is blowing hot and cold at the moment. Some moments of sheer brilliance combined with some sloppy errors so far this set. In the last game, the Russian gained advantage with a superb ace, before mis-hitting a simple forehand to take the game back to deuce. Consistency will be key if he's to get back in this match.

Davydenko 3-6 *2-4 FedererA couple of unforced errors from Federer and some more balanced play from Davydenko sees Federer have to work to hold his serve. However, the number two seed's serve carries him through.

Davydenko 3-6 3-4* FedererDavydenko looks to have found something. His serve is too strong for Federer, as the Russian easily holds serve for the first time in the match.

9.24amSET! Del Potro 6-2 6-4 Becker. A better second set from the German, but Juan Martin Del Potro is well in control in the Margaret Court Arena.

Davydenko 3-6 *3-5 FedererAll sorts of problems for Federer. A double fault, along with some superb returns from Davydenko has the world number two looking shaky, but he was able to hold on, and is closing in on a two-set lead.

Davydenko 3-6 4-5* FedererDavydenko saves two set points to force Federer to serve for the set. Some stunning play from both players. It's a shame that Davydenko has not been able to play to this standard throughout the match, as it would have been a much closer contest.

9.34amIn the Hisense Arena, Monfils has just had two match points saved in the fifth set against Lu.

9.36amSET! Davydenko 3-6 4-6 Federer

9.38amA straight-forward service game against for Federer, just the one unforced error delaying him slightly. It's a long way back now for Davydenko.

9.39amGAME, SET AND MATCH! Lu [5]6-7 6-4 6-0 1-6 6-8 Monfils. What a remarkable comeback from Gael Monfils, who looked almost certain to retire after sustaining an injury in the third set.

9.40amSET! Falla 3-6 2-6 Gasquet. Another easy set for the Frenchman. He's just one set away from the third round.

Davydenko 3-6 4-6 0-1* FedererBREAK! The worst possible start to the third set for Davydenko, who is played off the court in his opening service game. The Russian has rarely looked threatening against the Federer serve, so that may well be the match wrapped up for the Swiss player.

9.44amSET! Nieminen 3-6 7-6[4] 3-6 7-6[4] Dodig. After a five-set thriller with Tommy Haas two days ago, Jarkko Nieminen finds himself in another epic battle, this time with Ivan Dodig.

Davydenko 3-6 4-6 *0-2 FedererA difficult start to the game for Federer 30-0 down before a series of powerful serves and stunning backhands brought him through. Davydenko appears to have thrown caution to the wind, and is trying all sorts to attempt to catch Federer out. Nothing seems to be working for him though.

Davydenko 3-6 4-6 1-2* FedererDavydenko puts his first service game behind him for an easy hold. Federer is unhappy after the Russian waits quite some time before deciding to challenge a call on a long serve, but hawkeye shows that the ball was out.

Davydenko 3-6 4-6 *1-3 FedererFederer's pace is too much for Davydenko to handle, as he races to another easy service hold.

9.52amBenjamin Becker has just saved two match points against Juan Martin Del Potro. The German is down two sets against the sixth seed, and 5-1 in the third set.

Davydenko 3-6 4-6 2-3* FedererDavydenko saves a break point. It looks like Federer may have eased off a little, knowing that one break will be enough to progress as long as he continues to be comfortable on his own serve.

9.57amDon't forget, after this match it will be Britain's Laura Robson on the Rod Laver Arena, taking on 2011 Wimbledon champion Petra Kvitova.

9.58amGAME, SET AND MATCH! Del Potro 6-2 6-4 6-2 Becker The sixth seed cruises in to the third round, easily beating his unseeded opponent.

Davydenko 3-6 4-6 *2-4 FedererFederer's serve is just sensational, there's little Davydenko can do to attack against it as the world number two adds another easy hold to his tally.

Davydenko 3-6 4-6 3-4* FedererFederer has definitely taken his foot off the gas a little, he's not pushing against the Davydenko serve as much as earlier in the match.

10.06amGAME, SET AND MATCH! Nieminen 3-6 7-6[4] 3-6 7-6[4] 1-6. 10 sets in a little over 48 hours was just too much for Jarkko Nieminen in the end, as Ivan Dodig comfortably wins the fifth set to move in to the third round.

Davydenko 3-6 4-6 *3-5 FedererFederer easily holds his serve again, and now needs just one game to progress to the third round.

Davydenko 3-6 4-6 4-5* FedererDavydenko holds in a fairly straight-forward game. He'll need to force his first break point of the match if he wants the next game not to be his last in the tournament.

10.09amOn court two, in the only other game underway at the moment, Richard Gasquet is serving for the match.

10.11amGAME, SET AND MATCH! Davydenko 3-6 4-6 4-6 Federer

10.12amIt's an emphatic finish from Roger Federer, sending an ace past Nikolay Davydenko to seal a straight sets win over the Russian.

10.13amIt took the Swiss star just short of 2 hours to cruise through to round three, where he'll face the home favourite, Bernard Tomic.

10.14amSpeaking on court after his match, Federer has hailed his opponent's efforts: "It's a tough match up with Nikolay, he's a good player. It's nice to see him playing well again, he's had some difficulties in the last couple of years. It's always a pleasure to play against him whatever his ranking."

10.15amGAME, SET AND MATCH! Falla 3-6 2-6 2-6 Gasquet

10.17amLooking ahead to the third round, Federer said: "I guess I've got to play tough, I don't mind the physical aspect. I have a feeling we're going to maneuver around a big more, a bit more finesse."

10.18amAlso through to the third round is Richard Gasquet with a comfortable win over Alejandro Falla in well under two hours. The number nine seed already has a title in the bag this season, and has looked in sensational form in both matches at the Australian Open so far.

10.20amWell, there's a bit of a break in play at the moment, but don't go anywhere, as Laura Robson will be heading in to the Rod Laver Arena very shortly, where she'll be looking to cause an upset against world number nine Petra Kvitova.

10.22amThe 18-year-old is no stranger to causing a Grand Slam upset, knocking both Kim Clijsters and Li Na out of the US Open last year.

10.23amKvitova will be no push-over through. It's less than two years since the Czech won Wimbledon, and she made it to the last four of two Grand Slams in 2012.

10.27amRobson plays as a Brit, but she was born in Melbourne, with her parents relocating to Singapore when she was 18 months old, before settling in the UK when she was six.

10.28amRobson and Kvitova are out on court warming in, so we're just minutes away from the start of the match. Kvitova will be the favourite, but Robson will make her work hard.

10.31amRobson will start on serve.

Robson 0-1* KvitovaBREAK! It's a shaky start for the young Brit. Two double faults and two unforced errors give Kvitova an easy break.

Robson *1-1 KvitovaBREAK! A great response from Robson, as Kvitova also struggles with her opening service game. Two double faults from Kvitova helped Robson to a break point, before the Czech caught the ball on the net to hand her break back.

Robson 2-1* KvitovaRobson still shows a few nerves on serve, adding another double fault, but she recovers, and finishes the game with two stunning aces.

Robson *2-2 KvitovaKvitova also finds confidence with her serve, and takes an easy hold against her teenage opponent.

Robson 2-3* KvitovaBREAK! A couple of brilliant forehands from Kvitova and a lucky hit of the net chord help the Czech to another break.

Robson *2-4 KvitovaRobson struggles to return the powerful Kvitova serve, but does get the better of her opponent when she gets in to a rally. Kvitova takes the game, but Robson is still in this set.

Robson 2-5* KvitovaBREAK! A devastating break against Robson. The Brit was 40-15 up, but a string of errors allowed Kvitova back in to the game, and she punished Robson for her mistakes.

11.09amSET! Robson 2-6 Kvitova

11.11amA tense final game sees Laura Robson fail to convert six break points, while Kvitova seals the set with her third set point and a game lasting almost 11 minutes.

11.13amTo be honest, that was a set to forget for both players. Kvitova may have won the final game, but she served four double faults during that game alone.

Robson 2-6 1-0* KvitovaA solid opening service game from Robson. She had to rely on her second serve a couple of times, but her play during rallies was excellent. Now she needs to attack the Kvitova serve.

11.22amKvitova is now up to nine double faults in this match, and we're only in the 10th game!

Robson 2-6 *1-1 KvitovaEventually it's a hold for Kvitova but she didn't make it look easy. Robson has had eight break points against Kvitova in the last two service games from the Czech, but has failed to take any of her chances.

Robson 2-6 2-1* KvitovaRobson races to a 40-0 lead, but then mistakes from the Brit allow Kvitova to take the game to deuce, before taking the game with an ace.

11.30amUnfortunately, the turning point for Robson came when, at 40-0 up, she reached for her right ankle, which is heavily strapped. Hopefully it was nothing more than a twinge. She seemed to be moving ok by the end of the game.

Robson 2-6 *3-1 KvitovaBREAK! Finally, Robson manages to cash in a break point, and takes a two-game lead in the second set. Kvitova is still struggling to get her first serve in, giving Robson a greater chance to return.

Robson 2-6 4-1* KvitovaBoth players seem to be finding their rhythm here, but it's Robson who comes away with the game, with some brilliant serves and stunning ground strokes.

Robson 2-6 *5-1 KvitovaBREAK! Robson is now in complete control of the second set, having broken Kvitova twice. Her forehand is causing the Czech all kinds of problems, while Kvitova is also still having problems with her own serve. Robson just needs to hold her nerve to serve out the set and level the match.

Robson 2-6 5-2* KvitovaBREAK! Three double faults from Robson allows Kvitova to get one break back and keep the second set alive. Robson is still a break up, so will have another chance on her own serve to seal the set if she can't get the break back in the next game.

Robson 2-6 *5-3 KvitovaIt's an easy hold for Kvitova. It's one of the few games where the Czech has been able to use her serve as a weapon. Robson will now serve for the set again.

11.56amTwo set points for Robson!

11.56amSET! Robson 2-6 6-3 Kvitova

11.58amRobson sends a powerful serve to Kvitova, who forces her forehand return long to hand the second set to the Brit.

11.59amRobson was much improved in that set compared to the first. She was much more comfortable against the Kvitova serve, although the Czech has been struggling, and was able to utilise her impressive forehand more often.

12pmBoth players are off the court at the moment, with Robson having asked the umpire for permission to get changed. The temperature on court is over 36°C.

Robson 2-6 6-3 *0-1 KvitovaKvitova serves up her 11th double fault, but manages to save a break point to take the first game of the third set.

12.11pmThe winner of this match will face American Sloane Stephens in the third round, after she beat Kristina Mladenovic in straight sets earlier.

Robson 2-6 6-3 0-2* KvitovaBREAK! A slightly nervous-looking Robson allows Kvitova a 40-0 lead, before fighting back to 40-30, but the lead for too great for the Czech, and she sent Robson out wide, forcing the Brit to send the ball in to the net from a tricky angle.

Robson 2-6 6-3 *0-3 KvitovaKvitova finally seems to have put her struggles on serve behind her and is making Robson pay. The Brit is finding it difficult to make good returns against some sensation serves from the eighth seed.

Robson 2-6 6-3 1-3* KvitovaRobson serves well to take her first game of the final set, including a fantastic ace along the centre line. She'll need to break Kvitova as soon as possible to get back in this set, but she's not finished yet.

Robson 2-6 6-3 *2-3 KvitovaBREAK! Robson reacts well to Kvitova's new found serving form and takes the game to deuce, before the former Wimbledon champion seems to lose her serve again, firing down three more double faults to help Robson to get the break back.

12.27pmKvitova now has 14 double faults. If she manages to beat Robson, she'll need to eliminate those for the next round.

Robson 2-6 6-3 2-4* KvitovaBREAK! Unforced errors cost Robson, as she finds the net on more than one occasion to hand the break straight back to Kvitova.

Robson 2-6 6-3 *3-4 KvitovaBREAK! This really isn't one for those who are fans of serving. Kvitova opens the game with another double fault, before missing several more first serves, allowing Robson easy returns against the second.

Robson 2-6 6-3 4-4* KvitovaRobson superbly recovers a Kvitova drop shot, before finishing the game with a brilliant ace to level the set.

Robson 2-6 6-3 *4-5 KvitovaKvitova serves better than in her previous two games, but Robson makes some stunning returns to force a break point. Kvitova found a couple of aces to help her see out the game, and is now just one game away from the third round.

Robson 2-6 6-3 5-5* KvitovaRobson holds despite some good returning from Kvitova. The Czech has been screeching every time she won a point, while hanging her head at every miss, she's really letting her emotions show. Robson, meanwhile, looks fairly calm.

12.52pmRobson has a break point. If she can take it she'll be serving for the match.

Robson 2-6 6-3 *6-5 KvitovaBREAK! She's done it! Robson smashes her forehand past her opponent to take the lead for the first time in the third set, and will now serve for a place in the third round.

Robson 2-6 6-3 6-6* KvitovaBREAK! Nerves get the better of the teenager. She misses all of her first serves, struggling with her ball toss, and it's an easy break back for Kvitova.

Robson 2-6 6-3 *6-7 KvitovaKvitova still isn't entirely comfortable with her serve, but it's good enough for her to hold, and Robson will need to win the next game to stay in the match.

Robson 2-6 6-3 7-7* KvitovaRobson races to a 40-0 lead before missing two first serves to allow Kvitova a foothold in the game. However, a powerful serve was too much for Kvitova to control, and Robson held her serve.

Robson 2-6 6-3 *7-8 KvitovaKvitova led her emotions get the better of her, arguing with the umpire over a line call. However, she re-discovered her composure and managed to hold on, putting the pressure back on Robson's serve.

Robson 2-6 6-3 8-8* KvitovaWhen Robson gets her first serve in it is too much for Kvitova to handle. A solid service game allows Robson to hold.

1.18pmWith neither player having much of an advantage, the match approaching the three-hour mark and the local time coming up towards 12.20am Friday morning, it's not impossible that this game could run over to tomorrow's schedule.

Robson 2-6 6-3 *8-9 KvitovaKvitova misses her opening serve but manages a second-serve ace, before following with a fairly solid performance to take the game. How long can they keep this up?!

Robson 2-6 6-3 9-9* KvitovaSome excellent serves and a stunning volley help Robson to a fairly straight-forward hold. Her coach looks exhausted, but the Brit still looks fairly fresh.

Robson 2-6 6-3 *10-9 KvitovaBREAK! Some frankly awful serving from Kvitova gives Robson another break. The Brit struggled a little with her accuracy, missing a couple of forehands, but she takes the game regardless. Robson will now serve for the match again.

1.30pmThree match points for Robson!

1.31pmGAME, SET AND MATCH! Robson 2-6 6-4 11-9

1.32pmThat was a sensational finish from Laura Robson, she saved her finest tennis for the last game, and sets up a third round match against Sloane Stephens.

1.32pmThe victory means there will be two British women in the third round of the Australian Open since 1987, before either Robson or Heather Watson were born!

1.35pmSpeaking on court after the match, the 18-year-old thanks the crowd for staying so late: "I'm amazed that so many people stayed to watch. I thought that you would all leave after Federer!"

1.36pmWhile a great result for Robson, that was far from the most attractive tennis to grace the tournament. Her third round American opponent has looked good so far, so she'll need to raise her game to compete.

1.39pmRight, that's all the action from day four of the Australian Open. Don't forget to check out all the reports and reaction to today's matches, and join Sports Mole again from midnight for day five, including Heather Watson's third round match against Agnieszka Radwanska. Until then, thanks for joining us.

Laura Robson
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