Wawrinka d. Chung

Wawrinka beat Chung 7-6(2), 7-6(4), 7-6(6) in the second round at the U.S. Open - New York. Wawrinka won 136 of 261 points (52%). Wawrinka hit 26 aces to 3 and won 76% of points behind the first serve (59/78) against 75% for Chung. Wawrinka converted 2 of 8 break points and saved 5 of 7 faced; Chung converted 2 of 7. Winners to unforced errors: 62–66 for Wawrinka, 28–39 for Chung. The match was played on hard in United States.