Kumiko Iijima defeated Ai Yamamoto 6-4 6-7 6-2 in the Makinohara 25K round of 32 on carpet. The result followed the form book — Kumiko Iijima came in leading the head-to-head 1–0. Kumiko Iijima extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-09-19 | Ibaraki 25K | R32 | hard | Kumiko Iijima | 7-5 6-1 |