Zi Yan defeated Olga Puchkova 3-6 6-1 6-1 in the Bangkok round of 16 on hard. The upset overturned the form book — Olga Puchkova came in leading the head-to-head 1–0, but Zi Yan had been the form player, winning 1 of their last 8 on hard. Zi Yan claimed a first win over Olga Puchkova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-09-25 | Guangzhou | R32 | hard | Olga Puchkova | 2-6 6-3 6-3 |
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 (41 vs 66). ATP, WTA & Challenger.