Roger Federer of Switzerland returns in his third round match against Nicolas Mahut of France at the French Open tennis tournament in Roland Garros stadium in Paris, Friday June 1, 2012. (AP ... more 

Roger Federer of Switzerland returns in his third round match against Nicolas Mahut of France at the French Open tennis tournament in Roland Garros stadium in Paris, Friday June 1, 2012. (AP Photo/Michel Spingler) less