Seiko Okamoto defeated Kyung Mi Chang 7-6 4-6 6-2 in the Gimcheon 25K round of 32 on hard. The upset overturned the form book — Kyung Mi Chang came in leading the head-to-head 1–0. Seiko Okamoto claimed a first win over Kyung Mi Chang in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-08-28 | Kugayama 10K | R16 | hard | Kyung Mi Chang | 6-2 6-3 |