A stadium employee removes the protective canvas on center court after rain delayed the play for the first round match of the French Open tennis tournament at the Roland Garros stadium, in Paris, France, Monday, May 26, 2014. (AP Photo/Michel Euler)
Russia's Ksenia Pervak returns the ball to compatriot Maria Sharapova during the first round match of the French Open tennis tournament at the Roland Garros stadium, in Paris, France, Monday, May 26, 2014. (AP Photo/Michel Euler)
Russia's Maria Sharapova returns the ball to compatriot Ksenia Pervak during the first round match of the French Open tennis tournament at the Roland Garros stadium, in Paris, France, Monday, May 26, 2014. (AP Photo/Michel Euler)
Russia's Maria Sharapova serves to compatriot Russia's Ksenia Pervak during the first round match of the French Open tennis tournament at the Roland Garros stadium, in Paris, France, Monday, May 26, 2014. (AP Photo/Michel Euler)