Isner d. Tiafoe

Isner beat Tiafoe 6-4, 2-6, 6-3 in the quarterfinals at the US Men's Clay Court Championship - Houston. Isner won 91 of 180 points (51%). Isner hit 16 aces to 4 and won 79% of points behind the first serve (41/52) against 74% for Tiafoe. Isner converted 2 of 10 break points and saved 4 of 6 faced; Tiafoe converted 2 of 6. The match was played on clay in United States.