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MELBOURNE, AUSTRALIA - JANUARY 22: Flavia Pennetta of Italy and Gisela Dulko of Argentina talk tactics in their third round doubles match against Vera Zvonareva and Svetlana Kuznetsova of Russia during day seven of the 2012 Australian Open at Melbourne Park on January 22, 2012 in Melbourne,...

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MELBOURNE, AUSTRALIA - JANUARY 21: Gisela Dulko of Argentina (L) celebrates with teammate Flavia Pennetta of Italy in their second round doubles match against Silvia Soler-Espinosa and Carla Suarez Navarro of Spain during day six of the 2012 Australian Open at Melbourne Park on January...

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MELBOURNE, AUSTRALIA - JANUARY 21: Gisela Dulko of Argentina plays a forehand in her second round doubles match with Flavia Pennetta of Italy against Silvia Soler-Espinosa and Carla Suarez Navarro of Spain during day six of the 2012 Australian Open at Melbourne Park on January 21, 2012 in...

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MELBOURNE, AUSTRALIA - JANUARY 17: Maria Sharapova of Russia speaks to the media after winning her first round match against Gisela Dulko of Argentina during day two of the 2012 Australian Open at Melbourne Park on January 17, 2012 in Melbourne, Australia.

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Maria Sharapova of Russia hits against Gisela Dulko of Argentina in their first round women's singles match on day two of the 2012 Australian Open tennis tournament in Melbourne on January 17, 2012. Sharapova won 6-0, 6-1. IMAGE STRICTLY.

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Maria Sharapova of Russia waves to celebrate her victory over Gisela Dulko of Argentina after their first round women's singles match on day two of the 2012 Australian Open tennis tournament in Melbourne on January 17, 2012. Sharapova won 6-0, 6-1. IMAGE STRICTLY.

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MELBOURNE, AUSTRALIA - JANUARY 17: Australian fans watch the first round match between Gisela Dulko of Argentina and Maria Sharapova of Russia during day two of the 2012 Australian Open at Melbourne Park on January 17, 2012 in Melbourne, Australia.

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MELBOURNE, AUSTRALIA - JANUARY 17: Maria Sharapova of Russia plays a backhand in her first round match against Gisela Dulko of Argentina during day two of the 2012 Australian Open at Melbourne Park on January 17, 2012 in Melbourne, Australia.

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MELBOURNE, AUSTRALIA - JANUARY 17: Maria Sharapova of Russia celebrates winning a point in her first round match against Gisela Dulko of Argentina during day two of the 2012 Australian Open at Melbourne Park on January 17, 2012 in Melbourne, Australia.

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Argentina's Gisela Dulko hits a forehand to Russia's Maria Sharapova during their first round match at the Australian Open tennis championship, in Melbourne, Australia, Tuesday, Jan. 17, 2012.

AP Photo 3 months ago

Argentina's Gisela Dulko, left, and Italy's Flavia Pennetta, right, play during the doubles semifinal against Liezel Huber and Lisa Raymond of the United States at the WTA championship finals in Istanbul, Turkey, Saturday, Oct. 29, 2011. The American pair won and qualified for the final.

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ISTANBUL, TURKEY - OCTOBER 29: Lisa Raymond of the United States returns a shot to Flavia Pennetta of Italy and Gisela Dulko of Argentina while playing with Liezel Huber of the United States during the semifinals of the TEB BNP Paribas WTA Championships Istanbul at the Sinan Erdem Dome...

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ISTANBUL, TURKEY - OCTOBER 29: Lisa Raymond and Liezel Huber of the United States celebrate match point against Flavia Pennetta of Italy and Gisela Dulko of Argentina during the semifinals of the TEB BNP Paribas WTA Championships Istanbul at the Sinan Erdem Dome on October 29, 2011 in Istanbul,...

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ISTANBUL, TURKEY - OCTOBER 29: Liezel Huber of USA(L) and Lisa Raymond of USA talk tactics in their doubles match against Gisela Dulko of Argentina and Flavia Pennetta of Italy during day five of the season ending TEB BNP Paribas WTA Championships Tennis at the Sinan Erdem Stadium on October...

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ISTANBUL, TURKEY - OCTOBER 27: Kveta Peschke, Katarina Srebotnik, Yaroslava Shvedova, Vania King, Flavia Pennetta, Gisela Dulko, Lisa Raymond and Liezel Huber pose for photographers after the double's draw during the TEB BNP Paribas WTA Championships Istanbul at the Sinan Erdem Dome on October...

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BEIJING, CHINA - OCTOBER 08: Katarina Srebotnik of Slovakia and Kveta Peschke of the Czech Republic pose with Chinese dignitaries after defeating Gisela Dulko of Argentina and Flavia Pennetta of Italy during the doubles final of the China Open at the National Tennis Center on October 8,...

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BEIJING, CHINA - OCTOBER 08: Katarina Srebotnik of Slovakia and Kveta Peschke of the Czech Republic pose for photographers after defeating Gisela Dulko of Argentina and Flavia Pennetta of Italy during the doubles final of the China Open at the National Tennis Center on October 8, 2011 in...

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BEIJING, CHINA - OCTOBER 05: Galina Voskoboeva of Kazakhstan and Su-Wei Hsieh of Taipei celebrate a point against Gisela Dulko of Argentina and Flavia Pennetta of Italy during the China Open at the National Tennis Center on October 5, 2011 in Beijing, China.

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BEIJING, CHINA - OCTOBER 03: Gisela Dulko of Argentina returns a shot to Virginie Razzano of France during the China Open at the National Tennis Center on October 3, 2011 in Beijing, China.

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BEIJING, CHINA - OCTOBER 03: Gisela Dulko of Argentina plays Virginie Razzano of France during the China Open at the National Tennis Center on October 3, 2011 in Beijing, China.

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TOKYO, JAPAN - OCTOBER 01: Liezel Huber (L) and Lisa Raymond of the United States pose with the winners trophy after their doubles final match against Gisela Dulko of Argentina and Flavia Pennetta of Italy during the day seven of the Toray Pan Pacific Open at Ariake Colosseum on October...

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TOKYO, JAPAN - OCTOBER 01: Lisa Raymond of the USA hits a forehand during the doubles final match between Liezel Huber and Lisa Raymond of the USA and Gisela Dulko of Argentina and Flavia Pennetta of Italy during day seven of the Toray Pan Pacific Open at Ariake Colosseum on October 1,...

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NEW YORK, NY - SEPTEMBER 09: Melanie Oudin (R) and Jack Sock (L) of the United States pose with the first place trophy after defeating Eduardo Schwank and Gisela Dulko of Argentina during Day Twelve of the 2011 US Open at the USTA Billie Jean King National Tennis Center on September...

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NEW YORK, NY - SEPTEMBER 09: Melanie Oudin (L) and Jack Sock (R) of the United States celebrate after defeating Eduardo Schwank and Gisela Dulko of Argentina during Day Twelve of the 2011 US Open at the USTA Billie Jean King National Tennis Center on September 9, 2011 in the Flushing...

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NEW YORK, NY - SEPTEMBER 09: Melanie Oudin (Bottom Right) and Jack Sock (Bottom Left) of the United States serve against Eduardo Schwank (Top Right) and Gisela Dulko (Top Left) of Argentina during Day Twelve of the 2011 US Open at the USTA Billie Jean King National Tennis Center on September...