Maria Sharapova of Russia plays a shot in her match against Kaia Kanepi of Estonia during the Brisbane International tennis tournament in Brisbane, Australia, Thursday, Jan. 2, 2014. (AP Photo/Tertius Pickard)

Australia Brisbane International Tennis

Maria Sharapova of Russia plays a shot in her match against Kaia Kanepi of Estonia during the Brisbane International tennis tournament in Brisbane, Australia, Thursday, Jan. 2, 2014. (AP Photo/Tertius Pickard)

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