NEW YORK - SEPTEMBER 09: Roger Federer of Switzerland celebrates a point against Robin Soderling of Sweden during day ten of the 2009...

Swiss tennis player Roger Federer returns to Swedish player Robin Soderling during their quarterfinals match of the 2009 US Open at...

NEW YORK - SEPTEMBER 09: Roger Federer of Switzerland serves to Robin Soderling of Sweden during day ten of the 2009 U.S...

Swiss tennis player Roger Federer returns to Swedish player Robin Soderling during their quarterfinals match of the 2009 US Open at...

NEW YORK - SEPTEMBER 07: Roger Federer of Switzerland returns a shot against Tommy Robredo of Spain during day eight of the 2009...

...JANUARY 29: Andy Roddick of the United States of America serves in his semifinal match against Roger Federer of Switzerland during day eleven of the 2009 Australian Open at Melbourne Park on January 29...

...Andy Murray of Great Britain wipes sweat from his face in his semi final loss to Roger Federer of Switzerland during day six of the Western & Southern Financial Group Masters on August 22, 2009...

Light work

Sep 2, 2009; Flushing, NY, USA; Roger Federer (SUI) serves against Simon Greul (GER) on day three of the 2009 US Open in Flushing...

Top-seeded Roger Federer of Switzerland, reacts during his 4-6, 6-3, 7-5, 6-4 victory over Lleyton...

Top-seeded Roger Federer of Switzerland, reacts during his 4-6, 6-3, 7-5, 6-4 victory over Lleyton...

ROD LAVER OF AUSTRALIA IN ACTION DURING THE WIMBLEDON TENNIS CHAMPIONSHIPS. NEW YORK - AUGUST 31: Roger Federer of Switzerland returns a shot against Devin Britton of the United States during day one of...

...tennis legend Rod Laver attends the men's final match between Rafael Nadal of Spain and Roger Federer of Switzerland during day fourteen of the 2009 Australian Open at Melbourne Park on February 1...

NEW YORK - SEPTEMBER 05: Lleyton Hewitt of Australia celebrates after winning the first set against Roger Federer of Switzerland during day six of the 2009 U.S. Open at the USTA Billie Jean...

Top-seeded Roger Federer of Switzerland, reacts during his match against Lleyton Hewitt of Australia, during the third round of...

...tennis legend Rod Laver attends the men's final match between Rafael Nadal of Spain and Roger Federer of Switzerland during day fourteen of the 2009 Australian Open at Melbourne Park on February 1...