2011 French Open

Spain's Rafael Nadal returns the ball to Switzerland's Roger Federer during the men's final match for the French Open tennis tournament at the Roland Garros stadium, Sunday, June 5, 2011, in Paris.

Switzerland's Roger Federer returns the ball to defending champion Spain's Rafael Nadal during the men's final match for the French Open tennis tournament, at the Roland Garros stadium, Sunday June 5, 2011 in Paris.

Roger Federer of Switzerland serves during the men's singles final match between Federer of Switzerland and Rafael Nadal of Spain, at the French Open at Roland Garros on June 5, 2011 in Paris, France.

Spectators shield themselves under umbrellas as the men's final for the French Open tennis tournament was interrupted because of rain, at Roland Garros stadium, Sunday, June 5, 2011, in Paris.

Rafael Nadal of Spain returns against Roger Federer of Switzerland in the men's final of the French Open tennis tournament in Roland Garros stadium in Paris, Sunday June 5, 2011. Nadal won in four sets 7-5, 7-6, 5-7, 6-1.

Switzerland's Roger Federer returns the ball to Spain's Rafael Nadal during the men's final match for the French Open tennis tournament at the Roland Garros stadium, Sunday, June 5, 2011, in Paris.

Spain's Rafael Nadal reacts as he plays Switzerland's Roger Federer during the men's final match for the French Open tennis tournament at the Roland Garros stadium, Sunday, June 5, 2011, in Paris.

Rafael Nadal of Spain returns against Roger Federer of Switzerland in the men's final of the French Open tennis tournament in Roland Garros stadium in Paris, Sunday June 5, 2011.

Rafael Nadal of Spain celebrates defeating Roger Federer of Switzerland in four sets, 7-5, 7-6, 5-7, 6-1, in the men's final of the French Open tennis tournament in Roland Garros stadium in Paris, Sunday June 5, 2011.

Rafael Nadal of Spain celebrates following his victory during the men's singles final match between Nadal and Roger Federer of Switzerland on day fifteen of the French Open, at Roland Garros on June 5, 2011 in Paris, France.

Spain's Rafael Nadal holds the cup after defeating Switzerland's Roger Federer, right, in the men's final match for the French Open tennis tournament at the Roland Garros stadium, Sunday, June 5, 2011, in Paris.

China's Li Na kisses the cup after defeating Italy's Francesca Schiavone in their women's final match for the French Open tennis tournament at the Roland Garros stadium, Saturday June 4, 2011, in Paris. She became the first Chinese national to win a Grand Slam title.

Li Na of China celebrates defeating Francesca Schiavone of Italy in two sets 6-4, 7-6, in the women's final of the French Open tennis tournament in Roland Garros stadium in Paris, Saturday June 4, 2011.

China's Li Na reacts as she plays Italy's Francesca Schiavone during their women's final match for the French Open tennis tournament at the Roland Garros stadium, Saturday June 4, 2011 in Paris.

China's Li Na returns the ball to Italy's Francesca Schiavone during their women's final match for the French Open tennis tournament at the Roland Garros stadium, Saturday, June 4, 2011 in Paris.

Francesca Schiavone of Italy returns against Li Na of China in the women's final match of the French Open tennis tournament in Roland Garros stadium in Paris, Saturday June 4, 2011.

China's Li Na returns the ball to Italy's Francesca Schiavone during their women's final match for the French Open tennis tournament at the Roland Garros stadium, Saturday June 4, 2011 in Paris.

Li Na of China serves against Francesca Schiavone of Italy in the women's final match of the French Open tennis tournament in Roland Garros stadium in Paris, Saturday June 4, 2011.

Serbia's Novak Djokovic covers his face with his shirt as he plays Switzerland's Roger Federer during their semi final at the French Open tennis tournament in Roland Garros stadium in Paris, Friday June 3, 2011. Federer won 7-6, 6-3, 3-6, 7-6

Switzerland's Roger Federer, left, and Serbia's Novak Djokovic hug after their semi final at the French Open tennis tournament in Roland Garros stadium in Paris, Friday June 3, 2011. Federer won 7-6, 6-3, 3-6, 7-6..

Roger Federer returns against Novak Djokovic — AP Photo/Michel Euler

Roger Federer of Switzerland returns against Novak Djokovic of Serbia in the semifinal match of the French Open tennis tournament in Roland Garros stadium in Paris, June 3, 2011.

Novak Djokovic returns the ball to Roger Federer — AP Photo/Lionel Cironneau

Serbia's Novak Djokovic returns the ball to Switzerland's Roger Federer during their semifinal match for the French Open tennis tournament at the Roland Garros stadium in Paris, June 3, 2011.

Rafael Nadal of Spain celebrates defeating Andy Murray of Britain in the semifinal match of the French Open tennis tournament in Roland Garros stadium in Paris, June 3, 2011. Nadal won in three sets, 6-4, 7-5, 6-4.

Andy Murray returns the ball to defending champion Spain's Rafael Nadal — AP Photo/Michel Euler

Britain's Andy Murray returns the ball to defending champion Rafael Nadal of Spain during their semifinal match of the French Open tennis tournament, at the Roland Garros stadium in Paris, June 3, 2011.

Rafael Nadal of Spain returns against Andy Murray of Britain in the semifinal match of the French Open tennis tournament in Roland Garros stadium in Paris, June 3, 2011.

Francesca Schiavone celebrates — AP Photo/Michel Euler

Francesca Schiavone of Italy, right, celebrates defeating Marion Bartoli of France, far left, in two sets, 6-3, 6-3, in the semifinal match of the French Open tennis tournament in Roland Garros stadium in Paris, June 2, 2011.

China's Li Na returns the ball to Russia's Maria Sharapova during their semifinal match of the French Open tennis tournament, at the Roland Garros stadium in Paris, June 2, 2011. Li won 6-4, 7-5.

Russia's Maria Sharapova returns the ball to China's Li Na during their semifinal match of the French Open tennis tournament, at the Roland Garros stadium in Paris, June 2, 2011.

Rafael Nadal reacts as he defeats Robin Soderling — AP Photo/Christophe Ena

Spain's Rafael Nadal reacts as he defeats Sweden's Robin Soderling during their quarterfinal match of the French Open tennis tournament, at the Roland Garros stadium in Paris, June 1, 2011. Nadal won 6-4, 6-1, 7-6.

Juan Ignacio Chela returns the ball to Andy Murray — AP Photo/Lionel Cironneau

Argentina's Juan Ignacio Chela returns the ball to Britain's Andy Murray during their quarterfinal match of the French Open tennis tournament, at the Roland Garros stadium in Paris, June 1, 2011. Murray won 7-6, 7-5, 6-2.

Maria Sharapova reacts as she plays Andrea Petkovic — AP Photo/Michel Spingler

Russia's Maria Sharapova reacts as she plays Germany's Andrea Petkovic during their quarterfinal match of the French Open tennis tournament, at the Roland Garros stadium in Paris, June 1, 2011. Sharapova won 6-0, 6-3.

Roger Federer returns the ball to Gael Monfils — AP Photo/Lionel Cironneau

Roger Federer of Switzerland returns the ball to Gael Monfils of France during their quarterfinal match of the French Open tennis tournament, at the Roland Garros stadium in Paris, May 31, 2011.

Marion Bartoli celebrates celebrates — AP Photo/Christophe Ena

Marion Bartoli of France celebrates celebrates scoring a point against Svetlana Kuznetsova of Russia in the quarter final match of the French Open tennis tournament in Roland Garros stadium in Paris, Tuesday May 31, 2011. Bartoli won the match in two sets 7-6, 6-4.

Anastasia Pavlyuchenkova serves against Francesca Schiavone — AP Photo/Christophe Ena

Anastasia Pavlyuchenkova of Russia serves against Francesca Schiavone of Italy in the quarter final match of the French Open tennis tournament in Roland Garros stadium in Paris, Tuesday May 31, 2011.

Gael Monfils of France celebrates defeating David Ferrer of Spain in a fourth-round match at the French Open tennis tournament in Roland Garros stadium in Paris, May 30, 2011. Monfils won in five sets 6-4, 2-6, 7-5, 1-6, 8-6.

Maria Sharapova of Russia celebrates defeating Agnieszka Radwanska of Poland in a fourth-round match at the French Open tennis tournament in Roland Garros stadium in Paris, May 30, 2011. Sharapova won in two sets 7-6, 7-5.

Robin Soderling celebrates his win — AP Photo/Lionel Cironneau

Robin Soderling of Sweden celebrates his win against Gilles Simon of France in a fourth-round match at the French Open tennis tournament in Roland Garros stadium in Paris, May 30, 2011. Soderling won in three sets 6-2, 6-3, 7-6 (7-5).

Defending champion Spain's Rafael Nadal serves to Crotia's Ivan Ljubicic, during their fourth-round match of the French Open tennis tournament, at the Roland Garros stadium in Paris, May 30, 2011.

Fabio Fognini wipes his forehead — AP Photo/Christophe Ena

Fabio Fognini of Italy wipes his forehead as a ball boy holds a ball in his match against Albert Montanes of Spain in a fourth-round match of the French Open tennis tournament in Roland Garros stadium in Paris, May 29, 2011. Fognini win in 5 sets, 4-6, 6-4, 3-6, 6-3, 11-9, in a match which lasted over 4 hours.

Defending champion Francesca Schiavone of Italy returns the ball to Serbia's Jelena Jankovic during their fourth-round match of the French Open tennis tournament, at the Roland Garros stadium in Paris, May 29, 2011.

Switzerland's Roger Federer returns the ball to compatriot Stanislas Wawrinka in their fourth-round match of the French Open tennis tournament, at the Roland Garros stadium in Paris, May 29, 2011.

Svetlana Kuznetsova returns — AP Photo/Christophe Ena

Svetlana Kuznetsova of Russia returns in a fourth-round match against Daniela Hantuchova of Slovakia at the French Open tennis tournament in Roland Garros stadium in Paris, May 29, 2011. Kuznetsova won 6-7, 6-3, 6-2.

Daniela Hantuchova celebrates win — AP Photo/Michel Spingler

Daniela Hantuchova of Slovakia celebrates defeating Caroline Wozniacki of Denmark in a third-round match of the French Open tennis tournament at Roland Garros stadium in Paris, May 27, 2011. Hantuchova won in two sets 6-1, 6-3.

Argentina's Gisela Dulko checks her racket strings as she plays Australia's Samantha Stosur during their third round match of the French Open tennis tournament, at the Roland Garros stadium in Paris, Friday, May 27, 2011.

Caroline Wozniacki returns against Daniela Hantuchova — AP Photo/Michel Spingler

Caroline Wozniacki of Denmark returns against Daniela Hantuchova of Slovakia in her third round match of the French Open tennis tournament at Roland Garros stadium in Paris, Friday May 27, 2011. Hantuchova won in two sets 6-1, 6-3.

Daniela Hantuchova returns in her match against Caroline Wozniacki — AP Photo/Michel Spingler

Daniela Hantuchova of Slovakia returns in her match against Caroline Wozniacki of Denmark in the third round of the French Open tennis tournament at Roland Garros stadium in Paris, Friday May 27, 2011. Hantuchova won in two sets 6-1, 6-3.

Roger Federer against Janko Tipsarevic — AP Photo/Michel Euler

Roger Federer of Switzerland returns against Janko Tipsarevic of Serbia in his third round match of the French Open tennis tournament at Roland Garros stadium in Paris, Friday May 27, 2011.

Rafael Nadal of Spain returns against Pablo Andujar of Spain in the second round of the French Open tennis tournament at Roland Garros stadium in Paris, Thursday, May 26, 2011.

Russia's Maria Sharapova returns the ball to France's Caroline Garcia during their second round match of the French Open tennis tournament, at the Roland Garros stadium in Paris, Thursday, May, 26, 2011. Sharapova defeated Garcia 3-6, 6-4, 6-0.

The Netherlands' Aranxta Rus celebrates her victory over Belgium's Kim Clijsters during their second round match of the French Open tennis tournament, at the Roland Garros stadium in Paris, May 26, 2011. Rus won 3-6, 7-5, 6-1.

Belgium's Kim Clijsters reacts as she plays The Netherlands' Aranxta Rus during their second round match of the French Open tennis tournament, at the Roland Garros stadium in Paris, May 26, 2011. Clijsters lost 3-6, 7-5, 6-1.

Novak Djokovic returns a shot — AP Photo/Michel Euler

Novak Djokovic of Serbia returns in his match against Victor Hanescu of Romania during the second round match of the French Open tennis tournament at Roland Garros stadium in Paris, May 25, 2011. The second-seeded Serb improved to 39-0 in 2011 after Hanescu retired while trailing 6-4, 6-1, 2-3. Djokovic has won 41 straight matches dating to last year's Davis Cup final.

Denmark's Caroline Wozniacki returns the ball to Canada's Aleksandra Wozniak during their second round match of the French Open tennis tournament, at the Roland Garros stadium in Paris, May 25, 2011. Top-seeded Wozniacki advanced to the third round of the French Open, needing almost two hours to defeat Wozniak 6-2, 7-6 (6).

Roger Federer returns — AP Photo/Michel Spingler

Roger Federer of Switzerland returns against Maxime Texeira of France during a second round match of the French Open tennis tournament at Roland Garros stadium in Paris, May 25, 2011. Federer defeated Teixeira 6-3, 6-0, 6-2 to reach the third round.

Germany's Sabine Lisicki is seen as she plays Russia's Vera Zvonareva during their second round match of the French Open tennis tournament, at the Roland Garros stadium in Paris, May 25, 2011.

Russia's Maria Sharapova returns the ball to Croatia's Mirjana Lucic during their first round match of the French Open tennis tournament, at the Roland Garros stadium in Paris, May, 24, 2011. Sharapova won 6-3, 6-0.

A ball boy gives a towel to Jelena Jankovic — AP Photo/Laurent Baheux

A ball boy, left, gives a towel to Serbia's Jelena Jankovic as she plays Russia's Vera Dushevina during their second round match of the French Open tennis tournament, at the Roland Garros stadium in Paris, May, 25, 2011.

Rafael Nadal stretches to return the ball — AP Photo/Lionel Cironneau

Defending champion Rafael Nadal of Spain stretches to return the ball to USA's John Isner during their first round match of the French Open tennis tournament, at the Roland Garros stadium in Paris, May 24, 2011.

Novak Djokovic of Serbia returns the ball to Thiemo de Bakker of The Netherlands during a first round match of the French Open tennis tournament at Roland Garros stadium in Paris, May 23, 2011.

Spain's Ruben Ramirez Hidalgo reacts as he defeats Croatia's Marin Cilic in a first round match of the French Open tennis tournament, at the Roland Garros stadium in Paris, May, 22, 2011.

USA's Bethanie Mattek-Sands eyes the ball as she plays Spain's Arantxa Parra Santonja during their first round match for the French Open tennis tournament, at the Roland Garros stadium in Paris, May, 22, 2011.