Bethanie Mattek-Sands of the U.S. makes a forehand return to Maria Sharapova of Russia during their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 14, 2014.(AP Photo/Eugene Hoshiko)
Maria Sharapova of Russia plays a backhand return to Bethanie Mattek-Sands of the U.S. during their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 14, 2014.(AP Photo/Rick Rycroft)