ROTTERDAM, NETHERLANDS - FEBRUARY 15: ABN Amro WTT general view Ahoy Rotterdam during the ABN Amro World Tennis Tournament at the Rotterdam Ahoy on February 15, 2018 in Rotterdam Netherlands (Photo by Jan Kok/Soccrates/Getty Images)
ROTTERDAM, NETHERLANDS - FEBRUARY 15: ABN Amro WTT general view Ahoy Rotterdam during the ABN Amro World Tennis Tournament at the Rotterdam Ahoy on February 15, 2018 in Rotterdam Netherlands (Photo by Jan Kok/Soccrates/Getty Images)