Li Na of China serves in her third round match against Christina McHale of the U.S. at the French Open tennis tournament in Roland Garros stadium in Paris, Saturday June 2, 2012. (AP Photo/Bernat ... more 

Li Na of China serves in her third round match against Christina McHale of the U.S. at the French Open tennis tournament in Roland Garros stadium in Paris, Saturday June 2, 2012. (AP Photo/Bernat Armangue) less