Toshiharu Kato defeated Tatsuma Ito 6-2 6-2 in the Japan F3 round of 32 on carpet. The upset overturned the form book — Tatsuma Ito came in leading the head-to-head 1–0. Toshiharu Kato claimed a first win over Tatsuma Ito in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-09-10 | Japan F8 | R16 | hard | Tatsuma Ito | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.