Chen Liang defeated Sheng Nan Sun 1-6 6-3 6-3 in the Beijing 75K round of 32 on hard. The upset overturned the form book — Sheng Nan Sun came in leading the head-to-head 2–1. Chen Liang narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-08-24 | Qianshan 10K | F | hard | Sheng Nan Sun | 6-3 6-3 |
| 2006-07-31 | Changsha 25K | R16 | hard | Chen Liang | 7-6(6) 6-7(5) 6-3 |
| 2005-04-04 | Wuhan 10K | F | hard | Sheng Nan Sun | 6-3 4-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.