BARCELONA, SPANISH - 27 APRIL: Dominic Thiem of Austria plays a backhand against Rafael Nadal of Spain during their semifinal match during day six of the Barcelona Open Banc Sabadell at Real Club De Tenis Barcelona on April 27, 2019 in Barcelona, Spain. (Photo by Alex Caparros/Getty Images)
BARCELONA, SPAIN - APRIL 27: Dominic Thiem of Austria plays a backhand against Rafael Nadal of Spain during their semifinal match during day six of the Barcelona Open Banc Sabadell at Real Club De Tenis Barcelona on April 27, 2019 in Barcelona, Spain. (Photo by Alex Caparros/Getty Images)