Bulgaria

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Samantha Stosur of Australia serves to Tsvetana Pironkova of Bulgaria during their second round match at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 15, 2014.(AP Photo/Aaron Favila)

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Tsvetana Pironkova of Bulgaria has strapping applied to her leg by a trainer during her second round match against Samantha Stosur of Australia at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 15, 2014.(AP Photo/Aaron Favila)

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Samantha Stosur of Australia makes a forehand return to Tsvetana Pironkova of Bulgaria during their second round match at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 15, 2014.(AP Photo/Aaron Favila)

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Tsvetana Pironkova of Bulgaria clenches her fist and yells out loud after winning a break point in her finals match against Angelique Kerber of Germany during the Sydney International Tennis Tournament in Sydney, Australia, Friday, Jan. 10, 2014. (AP Photo/Rob Griffith)

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Tsvetana Pironkova of Bulgaria drops to her knees as she celebrates winning her finals match against Angelique Kerber of Germany during the Sydney International Tennis Tournament in Sydney, Australia, Friday, Jan. 10, 2014. (AP Photo/Rob Griffith)