Yung Jan Chan defeated Urszula Radwanska 6-2 6-3 in the Bangkok quarter-final on hard. The upset overturned the form book — Urszula Radwanska came in leading the head-to-head 1–0, but Yung Jan Chan had been the form player, winning 4 of their last 5 on hard. Yung Jan Chan claimed a first win over Urszula Radwanska in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-09-19 | Guangzhou | R16 | hard | Urszula Radwanska | 2-6 6-2 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 (123 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About