Caroline Wozniacki from Denmark serves during a Madrid Open tennis tournament match against Ekaterina Makarova from Russia, in Madrid, Spain, Monday May 5, 2014. (AP Photo/Andres Kudacki)

Spain Madrid Open Tennis

Caroline Wozniacki from Denmark serves during a Madrid Open tennis tournament match against Ekaterina Makarova from Russia, in Madrid, Spain, Monday May 5, 2014. (AP Photo/Andres Kudacki)

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