2009 U.S. Open: Opening Week

Serena Williams of the United States returns to Daniela Hantuchova of Slovakia during the fourth round of the U.S. Open tennis tournament in New York, Sunday, Sept. 6, 2009.

Jo-Wilfried Tsonga of France celebrates his 7-6(4), 6-2, 6-4 victory over Julien Benneteau of France during the third round of the U.S. Open tennis tournament in New York, Sunday, Sept. 6, 2009.

Kim Clijsters of Belgium reacts after her 6-0, 0-6, 6-4 victory over Venus Williams of the United States in the fourth round of the U.S. Open tennis tournament in New York, Sunday, Sept. 6, 2009.

Melanie Oudin of the United States celebrates her upset victory over Maria Sharapova of Russia during the third round of the U.S. Open tennis tournament in New York, Saturday, Sept. 5, 2009. Oudin won 3-6, 6-4, 7-5.

John Isner of the United States reacts after defeating fellow American Andy Roddick, after a tie-breaker in the fifth set during the third round of the U.S. Open tennis tournament in New York, Saturday, Sept. 5, 2009.

Philipp Kohlschreiber of Germany serves to Radek Stepanek of Czech Republic during the third round of the U.S. Open tennis tournament in New York, Saturday, Sept. 5, 2009.

Rafael Nadal of Spain tosses the ball on a serve against Nicolas Kiefer of Germany during their match at the U.S. Open tennis tournament in New York, Friday, Sept. 4, 2009.

Aleksandra Wozniak of Canada returns to Flavia Pennetta of Italy during the third round of the U.S. Open tennis tournament in New York, Friday, Sept. 4, 2009. Pennetta won 6-1, 6-1.

The Arthur Ashe Stadium is reflected in the glasses of usher Eugene Zampieron during the U.S. Open tennis tournament in New York, Friday, Sept. 4, 2009.

Novak Djokovic, of Serbia, reacts during his match against Carsten Ball, of Australia, during the second round of the U.S. Open tennis tournament in New York, Thursday, Sept. 3, 2009. Djokovic won 6-3, 6-4, 6-4.

Melanie Oudin of the United States reacts during her match against Elena Dementieva of Russia during the second round of the U.S. Open tennis tournament in New York, Thursday, Sept. 3, 2009. Oudin won 5-7, 6-4, 6-3.

Marc Gicquel, of France, talks to the official during his match against Andy Roddick, of the United States, during the second round of the U.S. Open tennis tournament in New York, Thursday, Sept. 3, 2009. Roddick won the match 6-1, 6-4, 6-4.

Roger Federer, of Switzerland, serves to Simon Greul, of Germany, during their match. Federer defeated Simon Greul, of Germany, 6-3, 7-5, 7-5 in the second round of the U.S. Open tennis tournament in New York, Wednesday, Sept. 2, 2009.

Serena Williams, of the United States, returns during her 6-1, 6-1 win against Melinda Czink, of Hungary, during their match at the U.S. Open tennis tournament in New York, Wednesday, Sept. 2, 2009.

Amelie Mauresmo, of France, serves to Aleksandra Wozniak, of Canada, during the second round of the U.S. Open tennis tournament in New York, Wednesday, Sept. 2, 2009. Wozniak won 6-4, 6-0.

Marat Safin, of Russia, reacts during his match against Jurgen Meltzer, of Austria, during the first round of the U.S. Open tennis tournament in New York, Wednesday, Sept. 2, 2009. Meltzer won 1-6, 6-4, 6-3, 6-4.

The skyline of New York city is seen in the background as Maria Sharapova, of Russia, plays Tsvetana Pironkova, of Bulgaria, during the first round of the U.S. Open tennis tournament in New York, Sept. 1, 2009.

Novak Djokovic of Serbia serves to Ivan Ljubicic of Croatia during the first round of the U.S. Open tennis tournament in New York, Sept. 1, 2009.

Fireworks explode over Arthur Ashe Stadium during the opening night ceremonies at the U.S. Open tennis tournament in New York, Aug. 31, 2009.

A ball kid holds tennis balls during the first round of the U.S. Open tennis tournament in New York, Aug. 31, 2009.

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