Chisayo Ito defeated Yumiko Kitamura 6-4 7-6 in the Haibara 25K round of 32 on carpet. The upset overturned the form book — Yumiko Kitamura came in leading the head-to-head 1–0. Chisayo Ito claimed a first win over Yumiko Kitamura in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-09-25 | Saga 25K | R32 | grass | Yumiko Kitamura | 6-2 7-5 |