Sachie Umehara defeated Seiko Okamoto 6-3 4-6 6-3 in the Kofu 10K semi-final on clay. Sachie Umehara extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-11-20 | Kofu Open | QF | carpet | Seiko Okamoto | 5-4(1) 4-1 4-5(5) 1-4 4-1 |
| 1997-09-08 | Kugayama 3 10K | R16 | hard | Sachie Umehara | 7-6 3-6 6-3 |