American tennis player Reilly Opelka beat compatriot John Isner 7:6 (9:7), 7:6 (24:22) in the semifinals of the tournament in Dallas.
The meeting lasted 2 hours and 3 minutes. Opelka made 39 aces without committing a single double fault. Isner has 21 innings through and one error on the second innings. Neither player had a single break point.
In the final, Opelka will face the winner of the match between Marcos Giron (USA) and Jenson Brooksby (USA).