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...

Sam Querrey of the United States returns a shot to Tomas Berdych of the Czech Republic during their match at the U.S. Open tennis tournament in New...

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

Sam Querrey of the United States returns a shot to Tomas Berdych of the Czech Republic during their match at the U.S. Open tennis tournament in New...

Roger Federer of Switzerland reacts to winning his match against Tomas Berdych of the Czech Republic during the men's singles tennis competition at the Beijing 2008 Olympics...

Rafael Nadal, of Spain, reacts after winning a point against Tomas Berdych, of the Czech Republic, during a semifinals match at the Sony Ericsson Open tennis tournament in...

MELBOURNE, AUSTRALIA - JANUARY 19: Tomas Berdych of the Czech Republic plays a backhand during his third round match against Juan Monaco of...

Roger Federer of Switzerland hits a return against Tomas Berdych of the Czech Republic during their men's singles fourth round match at the Australian Open...

'07 DAVIS CUP HIGHLIGHTS

...front, looks on as his teammate Roger Federer, back, returns the ball to Czech Republic's Tomas Berdych and Radek Stepanek during their doubles match of the Davis Cup World Group play-off tennis...

Czech Tomas Berdych returns the ball to Croatia's Mario Ancic during their Paris Tennis Masters Series second round...

...player Roger Federer ret Swiss Davis cup player Roger Federer returns a ball to Czech's Tomas Berdych during a Davis cup match between Czech republic and Switzerland in Prague 23 September 2007. AFP...