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Russia's Maria Sharapova serves to compatriot Olga Puchkova during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 14, 2013. (AP Photo/Andrew Brownbill)

Associated Press
Russia's Maria Sharapova serves to compatriot Olga Puchkova during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 14, 2013. (AP Photo/Andrew Brownbill)
Russia's Maria Sharapova serves to compatriot Olga Puchkova during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 14, 2013. (AP Photo/Andrew Brownbill)
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