Elena Baltacha defeated Kai Chen Chang 4-6 6-4 7-5 in the Birmingham round of 64 on grass. The upset overturned the form book — Kai Chen Chang came in leading the head-to-head 1–0, defending last year's round of 64. Elena Baltacha claimed a first win over Kai Chen Chang in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-05-04 | Fukuoka 50K | SF | grass | Kai Chen Chang | 4-6 6-2 6-2 |
Averages over each player's completed matches in the selected window (22 vs 119). 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