Sheng Nan Sun defeated Jing Ren 6-3 6-7 6-1 in the Nanjing 25K qualifying round on hard. Sheng Nan Sun extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-05-22 | Beijing 50K | R16 | hard | Jing Ren | 3-6 6-4 6-0 |
| 2004-09-13 | Beijing 25K | R32 | hard | Sheng Nan Sun | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.