Result: Roger Federer wins rollercoaster against Jo-Wilfried Tsonga

Roger Federer waves to the crowd after his fourth round victory over Milos Raonic at the Australian Open tennis championship on January 21, 2013
© AP Photos
Roger Federer has beaten Jo-Wilfried Tsonga in five sets to win their highly entertaining Australian Open quarter-final.

Roger Federer has won an enthralling five-set epic against Jo-Wilfried Tsonga to reach the Australian Open semi-finals.

The number two seed came through 7-6 4-6 7-6 3-6 6-3 in a high-quality match that could have gone either way.

Federer was able to break his opponent in the opening game. Tsonga failed to find many telling serves, and rushed to the net on break-point only to drop his volley wide.

The Swiss had no such problems, holding his serve to love as the Frenchman's unforced error count increased early on.

Federer was made to save a break-point in his next service game as Tsonga showed signs of improvement, and then at 3-2, Tsonga got the break back after hitting a superb forehand return and matching his opponent from the baseline.

By the end of the first set it was Tsonga who was in the ascendancy. Some clever angles and two powerful forehands saw him win his final service game to love. Federer held his own serve though, and the set went into a tie-break.

The number two seed raced into an early lead, and although Tsonga came back with some excellent passing shots, Federer won the tie-break 7-4 to take the set.

Tsonga, annoyed at losing the first set, started to improve at the beginning of the second. He broke Federer in the seventh game and didn't look back; an ace and a couple more unforced errors from the Swiss gave Tsonga three set points and he duly levelled the match.

The two men exchanged service games at the start of the third set but both players started to find their very best tennis as the set wore on. Neither man was able to make any inroads on his opponent's serve, forcing another tie-break.

Two surprising forehand misses from Federer allowed Tsonga back into the contest, but at 3-3 two sublime shots from the same side put him back in the lead. A fired-up Federer then produced two even better backhands and took the third set to a standing ovation.

A very good forehand pass opened up three break points for Federer in the third game of the fourth set. Tsonga saved them all with some excellent ground strokes and powerful serving. A huge forehand saved a fourth break point and an ace saw the Frenchman escape, 2-1 up.

In the next game, it was Federer who had to save break points, which he did, as both players continued to showcase their shot-making prowess.

It was Tsonga who made the breakthrough, when the younger man's incredible power and accuracy proved too much for Federer in the sixth game. A rare dip on his serve though, allowed the number two seed to break back immediately.

Yet another superb cross-court forehand brought another break point, which Tsonga took with an assured volley. The players exchanged shot after shot in the next game, to regular gasps at the quality from the crowd, but it was Tsonga who came out on top and took the set 6-3.

Tsonga's ever-excellent backhand let him down early in the final set, allowing Federer to break at 2-1.

A fortunate flick off the net, to which both players saw the funny side, gave Federer the opportunity for a double-break. A rare miss with a volley, followed by a big Tsonga forehand, saw the chance slip away though.

Tsonga did force his illustrious opponent to serve out the match, saving four match points in amazing style to hold at 5-3. Federer made no mistake, winning with an overhead smash.

Andy Murray awaits Federer in the semi-final.

Britain's Andy Murray serves to Ricardas Berankis during their third round match at the Australian Open tennis championship on January 19, 2013
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ATP RankingsPoints
1Scotland flag Andy Murray7,750
2Spain Rafael Nadal7,555
3Switzerland Roger Federer7,145
4Switzerland Stanislas Wawrinka5,780
5Serbia Novak Djokovic5,325
6Croatia Marin Cilic5,155
7Alexander Zverev4,470
8Austria Dominic Thiem4,030
9Japan Kei Nishikori3,285
10Canada Milos Raonic3,230
11Bulgaria Grigor Dimitrov3,070
12France Jo-Wilfried Tsonga2,770
13Belgium David Goffin2,560
14Spain Roberto Bautista Agut2,425
15Czech Republic Tomas Berdych2,390
16United States Jack Sock2,335
17Pablo Carreno Busta2,305
18Lucas Pouille2,220
19United States John Isner2,110
20United States Sam Querrey2,060