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DUBAI, UNITED ARAB EMIRATES - MARCH 01: Roberto Bautista Agut of Spain plays a forehand during his quarter final match against Borna Coric of Croatia on day four of the ATP Dubai Duty Free Tennis Championships at the Dubai Duty Free Stadium on March 1, 2018 in Dubai, United Arab Emirates. (Photo by Tom Dulat/Getty Images)

DUBAI, UNITED ARAB EMIRATES - MARCH 01:  Roberto Bautista Agut of Spain plays a forehand during his quarter final match against Borna Coric of Croatia on day four of the ATP Dubai Duty Free Tennis Championships at the Dubai Duty Free Stadium on March 1, 2018 in Dubai, United Arab Emirates.  (Photo by Tom Dulat/Getty Images)