Rafael Nadal of Spain celebrates his win over Gael Monfils of France during their third round match at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 18, 2014.(AP Photo/Aaron Favila)
Maria Sharapova of Russia reacts after winning a point against Alize Cornet of France during their third round match at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 18, 2014.(AP Photo/Aaron Favila)