Nudnida Luangnam defeated Kai Chen Chang 7-5 6-3 in the Nanning $25K round of 32 on hard. The upset overturned the form book — Kai Chen Chang came in leading the head-to-head 2–0. Nudnida Luangnam claimed a first win over Kai Chen Chang in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-09-12 | Ningbo 100K | R16 | hard | Kai Chen Chang | 6-3 6-3 |
| 2006-11-13 | Kaohsiung 75K | QF | hard | Kai Chen Chang | 6-4 3-6 7-5 |
Averages over each player's completed matches in the selected window (7 vs 48). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About