...January 19, 2010 in Melbourne, Australia. (Photo by Mark Dadswell/Getty Images) MELBOURNE, AUSTRALIA - JANUARY 21: Roger Federer of Switzerland plays a backhand in his second round match against Victor Hanescu of Romania during...

Swiss tennis player Roger Federer gestures as he celebrates victory in his men's singles match against Russian opponent Igor Andreev...

Roger Federer of Switzerland waves to the crowd following his victory over Igor Andreev of Russia in their...

MELBOURNE, AUSTRALIA - JANUARY 19: Roger Federer of Switzerland plays a forehand in his first round match against Igor Andreev of Russia during...

World Number One Roger Federer of Switzerland hits the ball during a practice session in the lead-up to the Australian...

Roger Federer of Switzerland hits a shot during a practice session in the lead-up to the Australian...

Roger Federer Illustration

Roger Federer Illustration

MELBOURNE, AUSTRALIA - JANUARY 12: Roger Federer of Switzerland hits a forehand during a practice session ahead of the 2010 Australian Open at...

Switzerland's Roger Federer reacts in a point against Argentina's Juan Martin del Potro during their ATP World Tour...

Spanish player Rafael Nadal serves to Swiss player Roger Federer during the final of French Tennis Open, at Roland Garros, in Paris, on June 8, 2008...

Switzerland's Roger Federer jubilates after winning against US Andy Roddick during their final match on Day 13 at the...

...3 to reach his first semi-final, where he will be playing against old school friend Roger Federer. AFP PHOTO / SEBASTIAN DERUNGS (Photo credit should read SEBASTIAN DERUNGS/AFP/Getty Images

LONDON - JULY 06: Roger Federer of Switzerland congratulates Rafael Nadal of Spain in winning the Championship trophy during the men's...

NEW YORK - AUGUST 27: Roger Federer and Serena Williams attend the 2009 US Open Draw Presentation at the New York Times Center...