Madrid

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Santiago Giraldo from Colombia celebrates his victory during a Madrid Open tennis tournament match against Andy Murray from Britain in Madrid, Spain, Thursday, May 8, 2014. (AP Photo/Andres Kudacki)

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Andy Murray from Britain returns the ball during a Madrid Open tennis tournament match against Santiago Giraldo from Colombia in Madrid, Spain, Thursday, May 8, 2014. (AP Photo/Andres Kudacki)

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Andy Murray from Britain reacts during a Madrid Open tennis tournament match against Santiago Giraldo from Colombia in Madrid, Spain, Thursday, May 8, 2014. (AP Photo/Andres Kudacki)

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Serena Williams from the U.S. serves the ball during a Madrid Open tennis tournament match against Carla Suarez from Spain in Madrid, Spain, Thursday, May 8, 2014 . (AP Photo/Daniel Ochoa de Olza)

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Rafael Nadal from Spain returns the ball during a Madrid Open tennis tournament match against Jarkko Nieminen, from Finland, in Madrid, Spain, Thursday, May 8, 2014 . (AP Photo/Daniel Ochoa de Olza)