AP Photo/Alastair Grant
Andy Roddick of U.S., reacts, as he defeats Lleyton Hewitt of Australia in their men's singles quarterfinal match at Wimbledon, Wednesday, July 1, 2009.
AP Photo/Anja Niedringhaus
Venus Williams, left and sister Serena Williams, right serves to Anna-Lena Groenfeld of Germany and Vania King of USA during their doubles match against on court No. 2 at Wimbledon, Wednesday, July 1, 2009.
AP Photo/Alastair Grant
Lleyton Hewitt of Australia serves to Andy Roddick of U.S., during their men's singles quarterfinal match at Wimbledon, Wednesday, July 1, 2009.
AP Photo/Alastair Grant
Tommy Haas of Germany raises his arms, after defeating Novak Djokovic of Serbia in their men's singles quarterfinal match at Wimbledon, Wednesday, July 1, 2009.
AP Photo/Kirsty Wigglesworth
Venus Williams of the U.S. plays a return to Agnieszka Radwanska of Poland during their quarter-final match at Wimbledon, Tuesday, June 30, 2009.
AP Photo/Alastair Grant
Dinara Safina of Russia plays a return to Sabine Lisicki of Germany in this multiple exposure image during their quarter-final match at Wimbledon, Tuesday, June 30, 2009.
AP Photo/Anja Niedringhaus
Dinara Safina of Russia returns to Sabine Lisicki of Germany, during their quarter-final match at Wimbledon, Tuesday, June 30, 2009.
AP Photo/Anja Niedringhaus
Serena Williams of the U.S. plays a return to Victoria Azarenka of Belarus during their quarter-final match at Wimbledon, Tuesday, June 30, 2009.
AP Photo/Kirsty Wigglesworth
Ivo Karlovic of Croatia reacts as he defeats Ferrnando Verdasco of Spain in their fourth-round men's singles match at Wimbledon, Monday, June 29, 2009.
AP Photo/Kirsty Wigglesworth
A tennis ball sits on a towel on court No. 4 where Igor Andreev of Russia and Tommy Haas of Germany play their fourth-round singles match at Wimbledon, Monday, June 29, 2009.
AP Photo/Kirsty Wigglesworth
Ana Ivanovic of Serbia weeps as she is forced to retire from her women's singles, fourth-round match against Venus Williams of the U.S., because of a thigh injury, at Wimbledon, Monday, June 29, 2009.
AP Photo/Sang Tan
Roger Federer of Switzerland serves to Robin Soderling of Sweden during their fourth-round singles match at Wimbledon, Monday, June 29, 2009.
AP Photo/Anja Niedringhaus
Radek Stepanek from the Czech Republic eyes a shot from David Ferrer of Spain during their third-round men's singles match at Wimbledon, Saturday, June 27, 2009.
AP Photo/Alastair Grant
U.S. player Melanie Oudin reacts to a point won against Jelena Jankovic of Serbia during their third-round singles match at Wimbledon, Saturday, June 27, 2009. The unseeded Oudin defeated Jankovic, the world's No. 6 seed.
AP Photo/Alastair Grant
U.S. player Melanie Oudin reacts at match point while playing Jelena Jankovic of Serbia during their third-round singles match at Wimbledon, Saturday, June 27, 2009. The unseeded Oudin defeated Jankovic, the world's No. 6 seed.
AP Photo/Alastair Grant
Viktor Troicki, left, of Serbia, fails to return the ball to Andy Murray, right, of Britain, during their third-round singles match on center court at Wimbledon, Saturday, June 27, 2009.
AP Photo/Kirsty Wigglesworth
Jurgen Melzer from Austria plays a return to U.S. player Andy Roddick during their third-round singles match on center court at Wimbledon, Saturday, June 27, 2009.
AP Photo/Kirsty Wigglesworth
Groundsmen watch Austrian Jurgen Melzer play American Andy Roddick during their third-round singles match on center court at Wimbledon, Saturday, June 27, 2009.
AP Photo/Anja Niedringhaus
Sabine Lisicki, of Germany, returns to Svetlana Kuznetsova of Russia, on her way to winning their women's singles, third-round match at Wimbledon, Saturday, June 27, 2009. Unseeded Lisicki defeated Kuznetsova, the fifth seed.
AP Photo/Kirsty Wigglesworth
American Andy Roddick plays a return to Jurgen Melzer of Austria during their third-round singles match on center court at Wimbledon, Saturday, June 27, 2009.