France's Alize Cornet returns the ball to Taylor Townsend, of the U.S, during the second round match of the French Open tennis tournament at the Roland Garros stadium, in Paris, France, Wednesday, May 28, 2014. (AP Photo/Darko Vojinovic)
Taylor Townsend, of the U.S, returns the ball to France's Alize Cornet during the second round match of the French Open tennis tournament at the Roland Garros stadium, in Paris, France, Wednesday, May 28, 2014. (AP Photo/Darko Vojinovic)
Taylor Townsend, of the U.S, returns the ball to France's Alize Cornet during the second round match of the French Open tennis tournament at the Roland Garros stadium, in Paris, France, Wednesday, May 28, 2014. (AP Photo/Darko Vojinovic)
Bulgaria's Tsvetana Pironkova returns the ball to Russia's Maria Sharapova during the second round match of the French Open tennis tournament at the Roland Garros stadium, in Paris, France, Wednesday, May 28, 2014. (AP Photo/David Vincent)
Russia's Maria Sharapova clenches her fist as she plays Bulgaria's Tsvetana Pironkova during the second round match of the French Open tennis tournament at the Roland Garros stadium, in Paris, France, Wednesday, May 28, 2014. (AP Photo/David Vincent)
Russia's Maria Sharapova returns the ball to Bulgaria's Tsvetana Pironkova during the second round match of the French Open tennis tournament at the Roland Garros stadium, in Paris, France, Wednesday, May 28, 2014. (AP Photo/David Vincent)