Isner d. Diaz Acosta

Isner beat Diaz Acosta 6-4, 6-3, 7-6(1) in the first round at the U.S. Open - New York. Isner won 112 of 196 points (57%). Isner hit 11 aces to 5 and won 79% of points behind the first serve (42/53) against 69% for Diaz Acosta. The second serve told: 83% won for Isner, 42% for Diaz Acosta. Isner converted 2 of 9 break points and saved 0 of 0 faced; Diaz Acosta converted 0 of 0. Diaz Acosta double-faulted 6 times. Winners to unforced errors: 40–27 for Isner, 26–21 for Diaz Acosta. The match was played on hard in United States.