Flavia Pennetta of Italy signs autographs following her win over Mona Barthel of Germany in their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2014.(AP Photo/Eugene Hoshiko)

Australian Open Tennis

Flavia Pennetta of Italy signs autographs following her win over Mona Barthel of Germany in their third round match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 17, 2014.(AP Photo/Eugene Hoshiko)

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