Yaoki Ishii defeated Nathan Thompson 6-3 6-1 in the Thailand F2 qualifying round on hard. The result followed the form book — Yaoki Ishii came in leading the head-to-head 1–0. Yaoki Ishii extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-10-05 | Thailand F4 | R16 | hard | Yaoki Ishii | 6-7(3) 7-6(5) 6-1 |