Toshiharu Kato defeated Kosuke Naruse 6-4 6-4 in the Japan F6 round of 32 on carpet. The result followed the form book — Toshiharu Kato came in leading the head-to-head 1–0. Toshiharu Kato extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-06-15 | Japan F5 | R32 | carpet | Toshiharu Kato | 6-3 7-5 |