Tasuku Iwami defeated Atsuo Ogawa 6-1 6-3 in the Japan F2 round of 16 on carpet. The upset overturned the form book — Atsuo Ogawa came in leading the head-to-head 1–0, but Tasuku Iwami had been the form player, winning 3 of their last 4 on carpet. Tasuku Iwami claimed a first win over Atsuo Ogawa in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-06-13 | Japan F6 | QF | carpet | Atsuo Ogawa | 6-3 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.