Satoko Kurioka defeated Akiko Gunji 7-5 7-6 in the Ibaraki 3 10K round of 32 on hard. The upset overturned the form book — Akiko Gunji came in leading the head-to-head 1–0. Satoko Kurioka claimed a first win over Akiko Gunji in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-11-23 | Ioujima-Town 10K | R16 | carpet | Akiko Gunji | 6-2 7-5 |