Switzerland's Stanislas Wawrinka serves to Switzerland's Roger Federer during their men's fourth round match in the French Open tennis championship at the Roland Garros stadium, on May 29, 2011, in ... more 
Switzerland's Stanislas Wawrinka serves to Switzerland's Roger Federer during their men's fourth round match in the French Open tennis championship at the Roland Garros stadium, on May 29, 2011, in Paris. AFP PHOTO / MIGUEL MEDINA (Photo credit should read MIGUEL MEDINA/AFP/Getty Images) less 
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Getty Images | Photo By MIGUEL MEDINA / AFP/Getty Images
Sun, May 29, 2011 10:39 AM EDT