Yi Jing Zhao defeated Ying Ying Duan 3-6 6-3 6-1 in the Pingguo 25K round of 32 on hard. The upset overturned the form book — Ying Ying Duan came in leading the head-to-head 3–0. Yi Jing Zhao claimed a first win over Ying Ying Duan in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-28 | Hefei 10K | QF | hard | Ying Ying Duan | 6-4 6-4 |
| 2010-03-29 | Nanjing 10K | QF | hard | Ying Ying Duan | 2-6 6-2 6-3 |
| 2007-05-07 | Chengdu 25K | R32 | hard | Ying Ying Duan | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.