Shuai Peng defeated Mara Santangelo 6-1 6-4 in the San Diego round of 64 on hard. The result followed the form book — Shuai Peng came in leading the head-to-head 3–0, defending last year's semi-final. Shuai Peng extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-03-23 | Miami | R64 | hard | Shuai Peng | 7-5 6-3 |
| 2009-02-09 | Pattaya | R32 | hard | Shuai Peng | 3-6 5-2 RET |
| 2008-09-15 | Guangzhou | R32 | hard | Shuai Peng | 6-4 6-2 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (198 vs 89). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About