Sakiko Shimizu defeated Kaori Onishi 7-5 2-6 6-3 in the Hyogo 10K round of 32 on carpet. The result followed the form book — Sakiko Shimizu came in leading the head-to-head 1–0. Sakiko Shimizu extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-07 | Tokyo 10K | R32 | hard | Sakiko Shimizu | 7-6(4) 4-6 6-4 |