Yumiko Kitamura defeated Akiko Gunji 4-6 7-6 6-4 in the Kugayama 3 10K round of 32 on hard. The upset overturned the form book — Akiko Gunji came in leading the head-to-head 2–0. Yumiko Kitamura claimed a first win over Akiko Gunji in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-11-16 | Haibara 10K | R16 | carpet | Akiko Gunji | 6-3 6-3 |
| 1998-09-07 | Kugayama 4 10K | R32 | hard | Akiko Gunji | 6-4 6-1 |