Ying Ying Duan defeated Ting Li 6-3 6-4 in the Nanjing 10K round of 32 on hard. The result followed the form book — Ying Ying Duan came in leading the head-to-head 2–0. Ying Ying Duan extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-28 | Hefei 10K | R32 | hard | Ying Ying Duan | 6-4 7-6(5) |
| 2009-02-09 | Jiangmen 10K | R32 | hard | Ying Ying Duan | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.