Xinyun Han defeated Ying Ying Duan 6-2 0-6 6-2 in the Changwon 25K qualifying round on hard. The upset overturned the form book — Ying Ying Duan came in leading the head-to-head 4–2. Xinyun Han narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-08-01 | Nanchang | R16 | hard | Ying Ying Duan | 3-6 6-4 6-2 |
| 2013-09-09 | Sanya 50K | R32 | hard | Ying Ying Duan | 7-5 6-0 |
| 2012-07-30 | Beijing 75K | R16 | hard | Ying Ying Duan | 6-3 3-6 6-0 |
| 2012-06-18 | Goyang 25K | R16 | hard | Ying Ying Duan | 6-2 6-4 |
| 2009-08-17 | Pingguo 25K | QF | hard | Xinyun Han | 6-3 6-2 |
| 2009-06-22 | Qianshan 10K | SF | hard | Xinyun Han | 6-4 6-2 |
Averages over each player's completed matches in the selected window (157 vs 156). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About