Wawrinka d. Sinner

Wawrinka beat Sinner 6-3, 7-6(4), 4-6, 6-3 in the first round at the U.S. Open - New York. Wawrinka won 142 of 270 points (53%). Wawrinka hit 15 aces to 2 and won 72% of points behind the first serve (66/92) against 62% for Sinner. Wawrinka converted 5 of 10 break points and saved 10 of 14 faced; Sinner converted 4 of 14. Sinner double-faulted 5 times. Winners to unforced errors: 35–53 for Wawrinka, 28–49 for Sinner. The match was played on hard in United States.