Ying Ying Duan defeated Chen Liang 6-4 6-4 in the Zhengzhou $25K qualifying round on hard. The result followed the form book — Ying Ying Duan came in leading the head-to-head 3–0. Ying Ying Duan extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-05-28 | Gimcheon 25K | QF | hard | Ying Ying Duan | 6-1 6-2 |
| 2011-03-14 | Sanya 25K | R32 | hard | Ying Ying Duan | 6-1 6-4 |
| 2010-06-28 | Hefei 10K | SF | hard | Ying Ying Duan | 6-2 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.