Kei Nishikori of Japan plays a backhand in his second round match against Dusan Lajovic of Serbia during day four of the 2014 Australian Open at Melbourne Park on January 16, 2014
Kei Nishikori: 'I had to keep fighting to beat Milos Raonic'
Kei Nishikori insists that he had to 'keep fighting' against Milos Raonic in order to reach his first US Open quarter-final following a five-set battle.
07:42
Kei Nishikori celebrates victory over Donald Young during their Australian Open third round match on January 18, 2014
Result: Kei Nishikori into US Open quarters after five-set battle against Milos Raonic
Kei Nishikori overcomes Milos Raonic in a four-hour five-set battle to reach the quarter-finals of the US Open.
07:26
Victoria Azarenka celebrates victory over Yvonne Meusburger in their Australian Open third round match on January 18, 2014
Victoria Azarenka pays credit to beaten opponent Aleksandra Krunic
Victoria Azarenka has praised opponent Aleksandra Krunic, whom she beat to reach the quarter-finals of the US Open.
06:47
Andy Murray of Great Britian plays against Andrey Kuznetsov of Russia during their 2014 US Open men's singles match at the USTA Billie Jean King National Tennis Center on August 29, 2014
Andy Murray: 'I still have work to do after beating Jo-Wilfried Tsonga'
Andy Murray insists that he still has plenty of work to do before he can think about going all the way in the US Open.
06:22
Belarus's Victoria Azarenka celebrates winning her women's singles first round match against Croatia's Mirjana Lucic-Baroni on day one of the 2014 Wimbledon Championships at The All England Tennis Club in Wimbledon, southwest London, on June 23, 2014
Result: Victoria Azarenka through to last eight
Victoria Azarenka fights back from a set down to beat Aleksandra Krunic in the US Open fourth round.
03:56
Stan Wawrinka of Switzerland celebrates after winning his Gentlemen's Singles third round match against Denis Istomin of Uzbekistan on day seven of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on June 30, 2014
Result: Stanislas Wawrinka survives Tommy Robredo challenge
Stanislas Wawrinka qualifies for the US Open quarter-final after a 7-5 4-6 7-6 6-2 win over Tommy Robredo.
03:00
Ekaterina Makarova of Russia returns a shot to Eugenie Bouchard of Canada during their 2014 US Open women's singles match at the USTA Billie Jean King National Tennis Center September 1, 2014
Result: Eugenie Bouchard knocked out by Ekaterina Makarova
Russia's Ekaterina Makarova knocks seventh seed Eugenie Bouchard out of the US Open to reach the quarter-finals at Flushing Meadows.
22:27
Andy Murray of Great Britian celebrates a shot while playing Jo-Wilfried Tsonga of France during their 2014 US Open men's singles match at the USTA Billie Jean King National Tennis Center September 1, 2014
Result: Andy Murray beats Jo-Wilfried Tsonga to reach quarter-finals at US Open
Britain's Andy Murray is through to the quarter-finals at the US Open after beating Jo-Wilfried Tsonga in straight sets.
22:13
Novak Djokovic of Serbia celebrates his 6-1, 7-5, 6-4 win over Philipp Kohlschreiber of Germany during their 2014 US Open men's singles match at the USTA Billie Jean King National Tennis Center September 1, 2014
Result: Novak Djokovic reaches US Open quarter-finals
Number one seed Novak Djokovic isn't broken as he sees off Philipp Kohlschreiber in straight sets to reach the quarter-finals of the US Open.
20:03
Serena Williams of the US celebrates her win against Kaia Kanepi of Estonia following their 2014 US Open women's singles match at the USTA Billie Jean King National Tennis Center September 1, 2014
Result: Serena Williams advances to US Open quarter-finals
Top seed Serena Williams beats Kaia Kanepi 6-3 6-3 in just over an hour to reach the quarter-finals of the US Open.
19:29
Flavia Pennetta of Italy reacts to a point against Casey Dellacqua of Australia during their women's singles fourth round match on Day Eight of the 2014 US Open at the USTA Billie Jean King National Tennis Center on September 1, 2014
Result: Flavia Pennetta ousts Casey Dellacqua to reach US Open quarter-finals
Flavia Pennetta beats Casey Dellacqua 7-5 6-2 to reach the quarter-finals of the US Open for the second straight year.
17:56
Jo-Wilfried Tsonga returns the ball to Victor Hanescu during their match in the ATP Dubai Duty Free Tennis Championships on February 25, 2014
Jo-Wilfried Tsonga: 'I'm less afraid of Andy Murray now'
Jo-Wilfried Tsonga insists that he is "less afraid" of Andy Murray because the Scotsman has not won a title since Wimbledon 2013.
Sep 1, 06:50
Caroline Wozniacki celebrates her win over Ying-Ying Duan during the first round of the US Open on August 27, 2013
Caroline Wozniacki: 'Beating Maria Sharapova in US Open means so much to me'
Caroline Wozniacki admits that beating Maria Sharapova to a place in the quarter-finals of the US Open means "so much" to her.
Sep 1, 06:28
Grigor Dimitrov of Bulgaria reacts to a point agianst Dudi Sela of Israel during their men's singles second round match on Day Five of the 2014 US Open at the USTA Billie Jean King National Tennis Center on August 29, 2014
Result: Grigor Dimitrov holds off David Goffin to advance
Number seven seed Grigor Dimitrov bounces back from a set down to defeat David Goffin and advance to the fourth round of the US Open.
Sep 1, 04:50
Belinda Bencic of Switzerland reacts against Angelique Kerber of Germany during their women's singles third round match on Day Five of the 2014 US Open at the USTA Billie Jean King National Tennis Center on August 29, 2014
Result: Belinda Bencic reaches last eight with Jelena Jankovic win
Belinda Bencic defeats number nine seed Jelena Jankovic in straight sets to advance to her first Grand Slam quarter-final at the US Open.
Sep 1, 04:31
Gael Monfils of France returns a shot to Alejandro Gonzalez of Columbia during their men's singles second round match on Day Five of the 2014 US Open at the USTA Billie Jean King National Tennis Center on August 29, 2014
Result: Gael Monfils cruises into round four with victory over Richard Gasquet
Gael Monfils defeats compatriot Richard Gasquet in straight sets at the US Open to secure his place in round four of the competition.
Sep 1, 03:37
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Result: Shuai Peng defeats number 14 seed Lucie Safarova
Number 14 seed Lucie Safarova exits the US Open in the fourth round following a straight-sets defeat to Shuai Peng.
Sep 1, 03:04
Sara Errani of Italy celebrates after defeating Venus Williams of the United States in their women's singles third round match on Day Five of the 2014 US Open at the USTA Billie Jean King National Tennis Center on August 29, 2014
Result: Sara Errani edges past Mirjana Lucic-Baroni
Sara Errani seals her place in the quarter-finals of the US Open with victory over Mirjana Lucic-Baroni to set up a clash with Caroline Wozniacki.
Sep 1, 02:44
Roberto Bautista Agut of Spain returns a shot to Jarkko Nieminen of Finland during the BNP Parabas Open at the Indian Wells Tennis Garden on March 11, 2014
Result: Roberto Bautista Agut advances to fourth round
Roberto Bautista Agut secures a straight-sets victory over Adrian Mannarino to set up a clash with Roger Federer in the fourth round of the US Open.
Sep 1, 02:31
Feliciano Lopez of Spain looks on against Tatsuma Ito of Japan during their men's singles second round match on Day Five of the 2014 US Open at the USTA Billie Jean King National Tennis Center on August 29, 2014
Result: Dominic Thiem dumps Feliciano Lopez out of US Open
Dominic Thiem books his place in the last 16 of the US Open with a straight-sets victory over number 19 seed Feliciano Lopez.
Sep 1, 02:16