A ball boy watches as Germany's Tommy Haas holds his head as a right shoulder injury forces him to retire from the first round match of the French Open tennis tournament against Estonia's Jurgen Zopp at the Roland Garros stadium, in Paris, France, Tuesday, May 27, 2014. (AP Photo/Darko Vojinovic)

France Tennis French Open

A ball boy watches as Germany's Tommy Haas holds his head as a right shoulder injury forces him to retire from the first round match of the French Open tennis tournament against Estonia's Jurgen Zopp at the Roland Garros stadium, in Paris, France, Tuesday, May 27, 2014. (AP Photo/Darko Vojinovic)

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