MASON, OH - AUGUST 17: Rafael Nadal of Spain reacts after defeating Pablo Cuevas of Uruguay 6-1, 7-6 on Day 5 of the Western & Southern Open at the Lindner Family Tennis Center on August 17, 2016 in Mason, Ohio. (Photo by Joe Robbins/Getty Images)
MASON, OH - AUGUST 17: Rafael Nadal of Spain reacts after defeating Pablo Cuevas of Uruguay 6-1, 7-6 on Day 5 of the Western & Southern Open at the Lindner Family Tennis Center on August 17, 2016 in Mason, Ohio. (Photo by Joe Robbins/Getty Images)