Kazakhstan's Andrey Golubev returns the ball to Britain's Andy Murray during the first round match of the French Open tennis tournament at the Roland Garros stadium, in Paris, France, Tuesday, May 27, 2014. (AP Photo/David Vincent)
Britain's Andy Murray returns the ball to Kazakhstan's Andrey Golubev during the first round match of the French Open tennis tournament at the Roland Garros stadium, in Paris, France, Tuesday, May 27, 2014. (AP Photo/David Vincent)
Britain's Andy Murray returns the ball to Kazakhstan's Andrey Golubev during the first round match of the French Open tennis tournament at the Roland Garros stadium, in Paris, France, Tuesday, May 27, 2014. (AP Photo/David Vincent)
Britain's Andy Murray returns the ball to Kazakhstan's Andrey Golubev during the first round match of the French Open tennis tournament at the Roland Garros stadium, in Paris, France, Tuesday, May 27, 2014. (AP Photo/David Vincent)
Denmark's Caroline Wozniacki wipes her face during the first round match of the French Open tennis tournament against Belgium's Yanina Wickmayer at the Roland Garros stadium, in Paris, France, Tuesday, May 27, 2014. (AP Photo/Darko Vojinovic)