Kaori Onishi defeated So Jung Kim 6-4 6-4 in the Noto 25K qualifying round of 16 on grass. The upset overturned the form book — So Jung Kim came in leading the head-to-head 1–0. Kaori Onishi claimed a first win over So Jung Kim in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-04-12 | Yamaguchi 10K | QF | clay | So Jung Kim | 6-4 6-0 |