KEY BISCAYNE, FL - MARCH 23: Kei Nishikori of Japan shakes hands at the net after his straight sets victory against Grigor Dimitrov of Bulgaria during their third round match during day 7 at the Sony Open at Crandon Park Tennis Center on March 23, 2014 in Key Biscayne, Florida. (Photo by Clive Brunskill/Getty Images)
