Tasuku Iwami defeated Gouichi Motomura 3-6 6-2 6-4 in the Japan F8 qualifying round on hard. The upset overturned the form book — Gouichi Motomura came in leading the head-to-head 2–0. Tasuku Iwami claimed a first win over Gouichi Motomura in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-15 | Japan F10 | R32 | hard | Gouichi Motomura | 4-6 6-2 6-1 |
| 2002-05-20 | Japan F4 | R16 | hard | Gouichi Motomura | 6-2 6-0 |