Switzerland

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Spain's Guillermo Garcia-Lopez clenches his fist after defeating Switzerland's Stanislas Wawrinka in 4 sets, 6-4, 5-7, 6-2, 0-6, during the first round match of the French Open tennis tournament at the Roland Garros stadium, in Paris, France, Monday, May 26, 2014. (AP Photo/Michel Euler)

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

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

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

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