Junn Mitsuhashi defeated Tasuku Iwami 7-5 6-7 6-2 in the Guam F1 semi-final on hard. The result followed the form book — Junn Mitsuhashi came in leading the head-to-head 1–0. Junn Mitsuhashi extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-10-12 | Japan F8 | R32 | hard | Junn Mitsuhashi | 6-4 6-1 |