The hair of Slovakia's Dominika Cibulkova  flies as she serves to Maria Sharapova of Russia during their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2014.(AP Photo/Aaron Favila)

Australian Open Tennis

The hair of Slovakia's Dominika Cibulkova flies as she serves to Maria Sharapova of Russia during their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2014.(AP Photo/Aaron Favila)

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