Eun Ha Kim defeated Chin Wei Chan 6-1 6-2 in the Seoul 25K qualifying round on hard. The upset overturned the form book — Chin Wei Chan came in leading the head-to-head 1–0. Eun Ha Kim 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 | R16 | hard | Chin Wei Chan | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.