TORONTO, ON- JULY 28 - Frenchman Gael Monfils returns a shot at the Rogers Cup ATP 1000 tournament at the Aviva Centre in Toronto. July 28, 2016. (Steve Russell/Toronto Star via Getty Images)
TORONTO, ON- JULY 28 - Frenchman Gael Monfils returns a shot at the Rogers Cup ATP 1000 tournament at the Aviva Centre in Toronto. July 28, 2016. (Steve Russell/Toronto Star via Getty Images)