Roger Federer pleased with performance against Jo-Wilfried Tsonga

Switzerland's Roger Federer acknowledges fans after his victory against Slovenia's Blaz Kavcic during their men's singles match on day four of the 2014 Australian Open tennis tournament in Melbourne on January 16, 2014
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Roger Federer says that he was on the top of his game to beat Jo-Wilfried Tsonga in the fourth round of the Australian Open.

Former world number one Roger Federer has praised his performance against Jo-Wilfried Tsonga, insisting that his tactics worked.

The Swiss pro has booked himself into the quarter-finals of the Australian Open with a straight-sets win over the Frenchman.

"I thought I played really well tonight," BBC Sport quotes Federer as saying.

"You've got to bring your best game [against Tsonga] because he dictates play a lot. I think I did a good job dictating play.

"Jo does that to you, he makes you play aggressive, because if you don't he will. I thought the tactics worked well tonight. We spoke about it before the match. I don't go to matches unprepared before like I used to."

Federer will take on Andy Murray for a place in the semi-finals.

Andy Murray of Great Britain celebrates a point in his fourth round match against Stephane Robert of France during day eight of the 2014 Australian Open at Melbourne Park on January 20, 2014
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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