Akiko Gunji defeated Satoko Kurioka 6-2 7-5 in the Ioujima-Town 10K round of 16 on carpet. The upset overturned the form book — Satoko Kurioka came in leading the head-to-head 1–0. Akiko Gunji claimed a first win over Satoko Kurioka in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-09-06 | Ibaraki 3 10K | R32 | hard | Satoko Kurioka | 7-5 7-6 |