Russia's Maria Sharapova serves to compatriot Ekaterina Makarova during their quarterfinal match 

Russia's Maria Sharapova serves to compatriot Ekaterina Makarova during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 22, 2013. (AP Photo/ Ryan Pierse,Pool)
Associated Press
Russia's Maria Sharapova serves to compatriot Ekaterina Makarova during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 22, 2013. (AP Photo/ Ryan Pierse,Pool)
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