French Open: Day 6

Francesca Schiavone bites her hand after missing a return against Peng Shuai in Friday's third-round match. Peng retired with Schiavone ahead 6-3, 1-2.

Shuai Peng serves to Francesca Schiavone during their match.

Australia's Samantha Stosur reacts during her 6-4, 1-6, 6-3 loss to Argentina's Gisela Dulko.

Gisela Dulko checks her racket strings during her third-round match with Sam Stosur.

Gisela Dulko holds up a message as she celebrates her victory. She will face Marion Bartoli in the Round of 16.

Roger Federer returns the ball to Serbia's Janko Tipsarevic during their third-round match. Federer won in straight sets.

Jelena Jankovic slips during her third-round match with Bethanie Mattek-Sands of the United States. Jankovic won 6-2, 6-2.

Bethanie Mattek-Sands hits a return to Jelena Jankovic.

France's Marion Bartoli eyes the ball during her third-round match with Germany's Julia Georges. Bartoli won 3-6, 6-2, 6-4.

Julia Goerges returns the ball to Marion Bartoli.

Julia Georges receives assistance after losing a contact lens during Friday's match.

India's Rohan Bopanna (top) serves near teammate Aisam-Ul-Haq Qureshi of Pakistan during their men's doubles match against Argentina's Maximo Gonzalez and Japan's Kei Nishikori.

Daniela Hantuchova of Slovakia serves during her 6-1, 6-3 victory over top-seeded Caroline Wozniacki.

France's Gael Monfils returns the ball to Belgium's Steve Darcis during their third-round match. Monfils prevailed 6-3, 6-4, 7-5.

Dominique Charriau/WireImage/Getty Images

San Antonio Spurs point guard Tony Parker attends the French Open.

Australia's Anastasia Rodionova returns against Vera Zvonareva of Russia. Rodionova lost 6-2, 6-3.

France's Jo-Wilfried Tsonga falls on the clay during his five-set thriller against Stanislas Wawrinka. Tsonga succumbed 4-6, 6-7(3), 7-6(5), 6-2, 6-3.

Mike Bryan (left) and Bob Bryan (right) get up simultaneously during their second-round men's doubles match against Australia's Chris Guccione and Britain's Jamie Murray. The Bryans won 7-6(5), 7-5.

Serbia's Novak Djokovic returns the ball to Argentina's Juan Martin del Potro during their third-round match. Play was suspended for darkness with the match knotted at one set apiece.

Juan Martin Del Potro reacts during his third-round match with Djokovic.

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