Zhang d. Wolf

Zhang beat Wolf 7-5, 7-5, 6-7(5), 4-6, 6-3 in the first round at the U.S. Open - New York. Zhang won 182 of 362 points (50%). Zhang hit 15 aces to 16 and won 72% of points behind the first serve (83/116) against 70% for Wolf. Zhang converted 9 of 24 break points and saved 14 of 21 faced; Wolf converted 7 of 21. Wolf double-faulted 7 times. Winners to unforced errors: 52–53 for Zhang, 72–57 for Wolf. The match was played on hard in United States.