Jin Hee Kim defeated Seiko Okamoto 6-0 6-3 in the Osaka 10K qualifying round on hard. The result followed the form book — Jin Hee Kim came in leading the head-to-head 3–0. Jin Hee Kim extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-05-16 | Changwon 25K | SF | hard | Jin Hee Kim | 6-3 6-3 |
| 2001-09-24 | Kyoto 10K | R16 | carpet | Jin Hee Kim | 2-6 6-3 7-5 |
| 2000-09-11 | Osaka 10K | R32 | hard | Jin Hee Kim | 6-2 7-5 |