Kai Chen Chang defeated Tamarine Tanasugarn 6-3 6-4 in the Fed Cup G1 PO: TPE vs THA round robin on hard. The upset overturned the form book — Tamarine Tanasugarn came in leading the head-to-head 2–1. Kai Chen Chang narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-02-06 | Pattaya | R16 | hard | Tamarine Tanasugarn | 7-6(7) 6-3 |
| 2010-10-11 | Osaka | QF | hard | Tamarine Tanasugarn | 6-3 2-6 6-4 |
| 2009-10-12 | Osaka | R32 | hard | Kai Chen Chang | 7-5 6-1 |
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 (74 vs 18). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About