CINCINNATI - AUGUST 21: Rafael Nadal of Spain celebrates a point against Tomas Berdych of the Czech Republic during day five of the Western & Southern Financial Group Masters on August...

Andy Roddick of U.S., returns to Tomas Berdych of Czech Republic, during their fourth round singles match at Wimbledon, Monday, June 29, 2009. (AP...

Roger Federer of Switzerland celebrates victory in his men's singles match against Tomas Berdych of Czech Republic at the Australian Open tennis tournament in Melbourne on January 25, 2009. Federer...

Switzerland's Roger Federer makes a return to Tomas Berdych of the Czech Republic during their Men's singles match at the Australian Open Tennis Championship...

Switzerland's Roger Federer makes a return to Tomas Berdych of the Czech Republic during their Men's singles match at the Australian Open Tennis Championship...

Roger Federer of Switzerland plays a return stroke during his men's singles match against Tomas Berdych of Germany at the Australian Open tennis tournament in Melbourne on January 25, 2009. Berdych leads...

...JANUARY 25: Roger Federer of Switzerland celebrates winning match point after his fourth round match against Tomas Berdych of the Czech Republic during day seven of the 2009 Australian Open at Melbourne Park on...

Roger Federer of Switzerland celebrates winning a point during his men's singles match against Tomas Berdych of Czech Republic at the Australian Open tennis tournament in Melbourne on January 25, 2009. Federer...

MELBOURNE, AUSTRALIA - JANUARY 25: Roger Federer of Switzerland serves in his fourth round match against Tomas Berdych of the Czech Republic during day seven of the 2009 Australian Open at Melbourne Park on...

...8 NEW YORK - SEPTEMBER 03: Andy Roddick's coach Jimmy Connors watchs as he takes on Tomas Berdych of the Czech Republic during day eight of the 2007 U.S. Open at the Billie...

AIG Open Day 6 TOKYO - OCTOBER 04: Andy Roddick of the USA reacts while playing against Tomas Berdych of Czech on day six of the AIG Japan Open Tennis Championship 2008 at Ariake Colosseum...

MADRID, SPAIN - OCTOBER 15: David Nalbandian of Argentinareacts during his match against Tomas Berdych of the Czech Republic in their second round match at the Madrid Masters tennis tournament at...

...Open Day 7 TOKYO - OCTOBER 05: Juan Martin Del Potro of Argentina returns a shot against Tomas Berdych of the Czech Republic in the men's singles final match on day seven of the...

TOKYO - OCTOBER 05: Juan Martin Del Potro of Argentina returns a shot against Tomas Berdych of the Czech Republic in the men's singles final match on day seven of the...

NEW YORK - AUGUST 26: Sam Querrey of the United States celebrates after defeating Tomas Berdych of the Czech Republic during Day 2 of the 2008 U.S. Open at the USTA...