Maika Ozaki defeated Kumiko Iijima 6-4 6-4 in the Hamanako 25K round of 16 on carpet. The upset overturned the form book — Kumiko Iijima came in leading the head-to-head 1–0. Maika Ozaki claimed a first win over Kumiko Iijima in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-10-30 | Sutama 25K | R16 | clay | Kumiko Iijima | 6-1 6-2 |