Britain's Andy Murray strikes a forehand to Spain's Rafael Nadal during their match at the Italian open tennis tournament in Rome, Friday, May 16, 2014. (AP Photo/Gregorio Borgia)
Spain's Rafael Nadal returns a backhand to Britain's Andy Murray during their match at the Italian open tennis tournament in Rome, Friday, May 16, 2014. (AP Photo/Gregorio Borgia)
Spain's David Ferrer returns the ball to Serbia's Novak Djokovic during their quarterfinal match at the Italian Open tennis tournament, in Rome, Friday, May 16, 2014. (AP Photo/Alessandra Tarantino)
Serbia's Novak Djokovic returns the ball to Spain's David Ferrer during their quarterfinal match at the Italian Open tennis tournament, in Rome, Friday, May 16, 2014. (AP Photo/Alessandra Tarantino)