ACAPULCO, MEXICO - FEBRUARY 26: Rafael Nadal of Spain serves during a training session ahead of the Telcel ATP Mexican Open 2017 at Mextenis Stadium on February 26, 2017 in Acapulco, Mexico. (Photo by Miguel Tovar/LatinContent via Getty Images)
ACAPULCO, MEXICO - FEBRUARY 26: Rafael Nadal of Spain serves during a training session ahead of the Telcel ATP Mexican Open 2017 at Mextenis Stadium on February 26, 2017 in Acapulco, Mexico. (Photo by Miguel Tovar/LatinContent via Getty Images)