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)

Australia Tennis Sydney International

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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