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ROTTERDAM, NETHERLANDS - FEBRUARY 13: Gilles Simon of France returns a backhand against Gael Monfils of France during Day 6 of the ABN AMRO World Tennis Tournament at Rotterdam Ahoy on February 13, 2020 in Rotterdam, Netherlands. (Photo by Dean Mouhtaropoulos/Getty Images)

ROTTERDAM, NETHERLANDS - FEBRUARY 13:  Gilles Simon of France returns a backhand against Gael Monfils of France during Day 6 of the ABN AMRO World Tennis Tournament at Rotterdam Ahoy on February 13, 2020 in Rotterdam, Netherlands. (Photo by Dean Mouhtaropoulos/Getty Images)