Yuichi Ito defeated Tetsuhiro Yamamoto 6-4 6-1 in the Japan F11 round of 32 on hard. The upset overturned the form book — Tetsuhiro Yamamoto came in leading the head-to-head 1–0. Yuichi Ito claimed a first win over Tetsuhiro Yamamoto in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-08-29 | Japan F9 | R32 | hard | Tetsuhiro Yamamoto | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.