Leonardo Mayer v Gael Monfils - ATP Argentina Open - Day 5 [Getty Images]

BUENOS AIRES, ARGENTINA - FEBRUARY 16: Leonardo Mayer of Argentina takes a forehand shot during a quarter final match between Leonardo Mayer of Argentina and Gael Monfils of France as part of ATP Argentina Open at Buenos Aires Lawn Tennis Club on February 16, 2018 in Buenos Aires, Argentina. (Photo by Marcelo Endelli/Getty Images)

Getty Images Sport Marcelo Endelli