Sheng Nan Sun defeated Yan Chong Chen 6-1 4-6 6-1 in the Nanjing 25K round of 16 on hard. The result followed the form book — Sheng Nan Sun came in leading the head-to-head 1–0. Sheng Nan Sun extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-06-22 | Qianshan 10K | R16 | hard | Sheng Nan Sun | 6-3 6-1 |
Averages over each player's completed matches in the selected window (4 vs 2). 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. Small sample — read as indicative. About