Andy Roddick of U.S. serves the ball to Tommy Robredo, from Spain, during their tennis match at the Madrid Masters, in Madrid, Wednesday, Oct. 15, 2008...

Sep 2, 2008; Flushing Meadows, NY, USA; Novak Djokovic (SRB) returns a shot against Tommy Robredo (ESP) during the quarterfinals of the 2008 US Open Championship. Djokovic defeated Robredo 4-6, 6...

Sep 2, 2008; Flushing Meadows, NY, USA; Novak Djokovic (SRB) between points during his match against Tommy Robredo (ESP) during the quarterfinals of the 2008 US Open Championship. Djokovic defeated Robredo 4-6, 6...

NEW YORK - SEPTEMBER 02: Novak Djokovic of Serbia points to his head while taking on Tommy Robredo of Spain during Day 9 of the 2008 U.S. Open at the USTA Billie Jean...

NEW YORK - SEPTEMBER 02: Novak Djokovic of Serbia reacts as he defeats Tommy Robredo of Spain during Day 9 of the 2008 U.S. Open at the USTA Billie Jean...

...Djokovic of Serbia has some treatment on his back from trainer Per Bastholt while taking on Tommy Robredo of Spain during Day 9 of the 2008 U.S. Open at the USTA Billie Jean...

NEW YORK - AUGUST 29: Marat Safin of Russia serves against Tommy Robredo of Spain during Day 5 of the 2008 U.S. Open at the USTA Billie Jean...

Argentina's Guillermo Coria returns the ball to Spain's Tommy Robredo during their first round match at the French Open tennis tournament in Paris on Monday May...

...Open Day 6 KEY BISCAYNE, FL - MARCH 29: Dudi Sela of Israel returns a shot against Tommy Robredo of Spain during day six of the Sony Ericsson Open at the Crandon Park Tennis Center...

...US tennis player Mardy Fish plays a return during his mens singles match against Spanish opponent Tommy Robredo at the Australian Open tennis tournament in Melbourne, 16 January 2008. Fish won 6-1. 6...

...Wayne Arthurs of Australia hits a backhand during the Men's Singles second round match against Tommy Robredo of Spain during day four of the Wimbledon Lawn Tennis Championships at the All England Lawn...

Switzerland's Roger Federer slams a forehand to Spain's Tommy Robredo during their quarterfinal match of the French Open tennis tournament at the Roland Garros stadium in...

For the second straight Grand Slam, Roger Federer will face Tommy Robredo in the quarterfinals

Spanish tennis player Tommy Robredo hits a cricket ball during a net session at the Melbourne Cricket Ground as he enjoys...

Andy Roddick beat Tommy Robredo 6-3, 6-4 make the move to No. 1