Kaori Onishi defeated Tomoko Sugano 1-6 6-3 7-5 in the Tokyo 10K round of 16 on carpet. The result followed the form book — Kaori Onishi came in leading the head-to-head 1–0. Kaori Onishi extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-07-16 | Kurume 25K | R32 | grass | Kaori Onishi | 6-1 7-5 |