AP Photo/Elise Amendola
Venus Williams of the U.S. returns a volley to Ana Ivanovic of Serbia at the U.S. Open tennis tournament in New York, Sunday, Sept. 2, 2007. Williams defeated Ivanovic 6-4, 6-2.
AP Photo/Elise Amendola
Rafael Nadal of Spain celebrates after defeating Jo-Wilfried Tsonga of France at the U.S. Open tennis tournament in New York, Sunday, Sept. 2, 2007.
AP Photo/Julie Jacobson
Maria Sharapova of Russia pumps her fist during her match against Agnieszka Radwanska of Poland at the U.S. Open tennis tournament in New York, Saturday, Sept. 1, 2007. Radwanska defeated second-seeded Sharapova in three sets.
AP Photo/Julie Jacobson
Roger Federer, left, of Switzerland shakes hands with John Isner of the U.S. after their match at the U.S. Open tennis tournament in New York, Saturday, Sept. 1, 2007. Federer defeated Isner in four sets.
AP Photo/Elise Amendola
Novak Djokovic of Serbia celebrates his win over Radek Stepanek of the Czech Republic at the U.S. Open tennis tournament in New York, Friday, Aug. 31, 2007.
AP Photo/Julie Jacobson
Marion Bartoli of France prepares to return the ball to Lucie Safarova of the Czech Republic at the U.S. Open tennis tournament in New York, Friday, Aug. 31, 2007.
AP Photo/Darron Cummings
Maria Sharapova of Russia keeps her eyes on the ball during her match with Casey Dellacqua of Australia at the U.S. Open tennis tournament in New York, Thursday, Aug. 30, 2007.
AP Photo/Darron Cummings
James Blake of the U.S. returns a shot to Fabrice Santoro of France at the U.S. Open tennis tournament in New York, Thursday, Aug. 30, 2007.
AP Photo/Elise Amendola
Rafael Nadal of Spain returns a shot to Alun Jones of Australia at the U.S. Open tennis tournament in New York, Wednesday, Aug. 29, 2007.
AP Photo/Darron Cummings
Serena Williams of the U.S. reacts to a point during her match with Maria Elena Camerin of Italy at the U.S. Open tennis tournament in New York, Wednesday, Aug. 29, 2007.
AP Photo/Kathy Willens
Venus Williams of the U.S. serves to Ioana Raluca Olaru of Romania at the U.S. Open tennis tournament in New York, Wednesday, Aug. 29, 2007.
AP Photo/Ed Betz
Andy Roddick of the U.S. reaches for a shot from Justin Gimelstob of the U.S. at the U.S. Open tennis tournament in New York, Tuesday, Aug. 28, 2007.
AP Photo/Darron Cummings
Singer Aretha Franklin performs during the opening ceremony of the U.S. Open tennis tournament in New York, Monday, Aug. 27, 2007. The final Grand Slam event of the season began on a sparkling day, and top seeds Roger Federer and Justine Henin were their usual sharp selves.
TIMOTHY A. CLARY/AFP/Getty Images
Top seed Roger Federer of Switzerland serves to Scoville Jenkins of the U.S. during the first round of the U.S. Open Tennis Championships at the USTA National Tennis Center in Flushing Meadows, New York, Monday, Aug. 27, 2007.
AP Photo/Julie Jacobson
Tomas Berdych of the Czech Republic returns a shot from Marc Gicquel of France during the first round of the U.S. Open tennis tournament in New York, Monday, Aug. 27, 2007.
AP Photo/Julie Jacobson
Dinara Safina of Russia questions a call during her match against Catalina Castano of Colombia during the first round of the U.S. Open tennis tournament in New York, Monday, Aug. 27, 2007.
AP Photo/Kathy Willens
Andy Murray of Britain serves to Pablo Cuevas of Uruguay during the first round of the U.S. Open tennis tournament in New York, Monday, Aug. 27, 2007.
TIMOTHY A. CLARY/AFP/Getty Images
Top seed Justine Henin of Belgium hits a backhand to Julia Georges of Germany during the first round of the U.S. Open tennis tournament at the USTA National Tennis Center in Flushing Meadows, N.Y., Monday, Aug. 27 2007.
AP Photo/Elise Amendola
Jarkko Nieminen of Finland returns a shot to John Isner of the U.S. during the first round of the U.S. Open tennis tournament in New York, Monday, Aug. 27, 2007.
AP Photo/Elise Amendola
Max Mirnyi of Belarus cools off with with an ice bag on his head during his match against Marcos Baghdatis of Cyprus during the first round of the U.S. Open tennis tournament in New York, Monday, Aug. 27, 2007.