ROTTERDAM, NETHERLANDS - FEBRUARY 18: ABN Amro WTT Roger Federer during the ABN Amro World Tennis Tournament at the Rotterdam Ahoy on February 18, 2018 in Rotterdam Netherlands (Photo by Jan Kok/Soccrates/Getty Images)
ROTTERDAM, NETHERLANDS - FEBRUARY 18: ABN Amro WTT Roger Federer during the ABN Amro World Tennis Tournament at the Rotterdam Ahoy on February 18, 2018 in Rotterdam Netherlands (Photo by Jan Kok/Soccrates/Getty Images)