see more

KEY BISCAYNE, FL - MARCH 29: Kei Nishikori of Japan react to a lost point against Fabio Fognini of Italy during Day 10 of the Miami Open at Crandon Park Tennis Center on March 29, 2017 in Key Biscayne, Florida. (Photo by Al Bello/Getty Images)

KEY BISCAYNE, FL - MARCH 29:  Kei Nishikori of Japan react to a lost point against Fabio Fognini of Italy during Day 10 of the Miami Open at Crandon Park Tennis Center on March 29, 2017 in Key Biscayne, Florida.  (Photo by Al Bello/Getty Images)