MONTE-CARLO, MONACO - APRIL 16: Clay is brushed during day five of the Monte Carlo Rolex Masters tennis at the Monte-Carlo Sporting Club on April 16, 2015 in Monte-Carlo, Monaco. (Photo by Julian Finney/Getty Images)
MONTE-CARLO, MONACO - APRIL 16: Clay is brushed during day five of the Monte Carlo Rolex Masters tennis at the Monte-Carlo Sporting Club on April 16, 2015 in Monte-Carlo, Monaco. (Photo by Julian Finney/Getty Images)