Maria Sharapova of Russia, right, shakes hands with Bethanie Mattek-Sands of the U.S. at the net after winning their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 14, 2014.(AP Photo/Rick Rycroft)

Australian Open Tennis

Maria Sharapova of Russia, right, shakes hands with Bethanie Mattek-Sands of the U.S. at the net after winning their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 14, 2014.(AP Photo/Rick Rycroft)

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