Zheng d. Zhou

Zheng beat Zhou 6-4, 3-6, 7-6(5) in the second round at the Chicago Challenger. Zheng won 102 of 200 points (51%). Zheng hit 8 aces to 8 and won 70% of points behind the first serve (43/61) against 73% for Zhou. Zheng converted 3 of 9 break points and saved 3 of 6 faced; Zhou converted 3 of 6. Zhou double-faulted 7 times. The match was played on hard in United States.