Serena Williams of the U.S. makes a backhand return to Daniela Hantuchova of Slovakia during their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2014.(AP Photo/Aaron Favila)

Australian Open Tennis

Serena Williams of the U.S. makes a backhand return to Daniela Hantuchova of Slovakia during their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2014.(AP Photo/Aaron Favila)

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