Wawrinka d. Chela

Wawrinka beat Chela 7-5, 6-3, 6-4 in the second round at the U.S. Open - New York. Wawrinka won 113 of 199 points (57%). Wawrinka hit 13 aces to 3 and won 89% of points behind the first serve (42/47) against 65% for Chela. Wawrinka converted 4 of 9 break points and saved 7 of 8 faced; Chela converted 1 of 8. The match was played on hard in United States.