Seiko Okamoto defeated Paula Zabala 7-6 6-2 in the Nagoya 25K round of 16 on hard. The result followed the form book — Seiko Okamoto came in leading the head-to-head 1–0. Seiko Okamoto extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-07-17 | Kurume 25K | R32 | carpet | Seiko Okamoto | 6-3 6-3 |