Tiafoe d. Mannarino

Tiafoe beat Mannarino 6-1, 6-4, 4-6, 6-4 in the first round at the U.S. Open - New York. Tiafoe won 124 of 233 points (53%). Tiafoe hit 10 aces to 9 and won 74% of points behind the first serve (54/73) against 64% for Mannarino. Tiafoe converted 5 of 12 break points and saved 5 of 7 faced; Mannarino converted 2 of 7. Winners to unforced errors: 45–45 for Tiafoe, 34–44 for Mannarino. The match was played on hard in United States.