ATP Masters Series: Monte Carlo Rolex Masters - Day Eight [Getty Images]

MONTE-CARLO, MONACO - APRIL 22: Monte Carlo Rolex Masters runner up Kei Nishikori of Japan talks to the crowd after being defeated by Rafael Nadal of Spain during day eight of ATP Masters Series: Monte Carlo Rolex Masters at Monte-Carlo Sporting Club on April 22, 2018 in Monte-Carlo, Monaco. (Photo by Julian Finney/Getty Images)

Getty Images Sport Julian Finney