Zi Yan defeated Olga Puchkova 3-6 6-1 6-1 in the Bangkok round of 16 on hard. The result followed the form book — Zi Yan came in defending last year's round of 32. Zi Yan extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-04-20 | Dothan AL 75K | R16 | clay | Zi Yan | 7-5 6-3 |
| 2006-09-25 | Guangzhou | R32 | hard | Olga Puchkova | 2-6 6-3 6-3 |
Averages over each player's completed matches in the selected window (41 vs 66). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About