Switzerland's Stanislas Wawrinka returns the ball during the first round match of the French Open tennis tournament against Spain's Guillermo Garcia-Lopez at the Roland Garros stadium, in Paris, France, Monday, May 26, 2014. (AP Photo/Michel Euler)

France Tennis French Open

Switzerland's Stanislas Wawrinka returns the ball during the first round match of the French Open tennis tournament against Spain's Guillermo Garcia-Lopez at the Roland Garros stadium, in Paris, France, Monday, May 26, 2014. (AP Photo/Michel Euler)

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