Tomoko Yonemura defeated Chin Wei Chan 6-3 6-1 in the Inchon 25K round of 32 on hard. The upset overturned the form book — Chin Wei Chan came in leading the head-to-head 1–0. Tomoko Yonemura claimed a first win over Chin Wei Chan in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-06-16 | Inchon 10K | R32 | hard | Chin Wei Chan | 6-4 6-2 |
Averages over each player's completed matches in the selected window (2 vs 15). 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. Small sample — read as indicative. About