Stanislas Wawrinka from Switzerland returns the ball to Rafael Nadal from Spain during the men's final match at the Madrid Open tennis tournament, in Madrid, Sunday, May 12, 2013. (AP Photo/Andres ... more 
Stanislas Wawrinka from Switzerland returns the ball to Rafael Nadal from Spain during the men's final match at the Madrid Open tennis tournament, in Madrid, Sunday, May 12, 2013. (AP Photo/Andres Kudacki) less 
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Associated Press | Photo By Andres Kudacki
Sun, May 12, 2013 11:51 AM EDT