Shizu Katsumi defeated Sachie Umehara 6-4 1-6 7-5 in the Kofu 10K semi-final on clay. The upset overturned the form book — Sachie Umehara came in leading the head-to-head 2–0. Shizu Katsumi claimed a first win over Sachie Umehara in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-11-12 | Haibara 10K | R16 | carpet | Sachie Umehara | 4-6 6-0 6-2 |
| 1997-09-08 | Kugayama 4 10K | R32 | hard | Sachie Umehara | 6-4 6-3 |