Yuichi Ito defeated Tasuku Iwami 7-6 5-7 6-2 in the Japan F7 semi-final on clay. The upset overturned the form book — Tasuku Iwami came in leading the head-to-head 4–2. Yuichi Ito narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-14 | Japan F6 | SF | carpet | Tasuku Iwami | 0-6 6-2 7-5 |
| 2009-06-15 | Japan F5 | QF | carpet | Yuichi Ito | 7-5 6-2 |
| 2008-09-15 | Japan F9 | QF | carpet | Yuichi Ito | 6-3 6-3 |
| 2008-06-23 | Japan F6 | SF | carpet | Tasuku Iwami | 1-6 6-2 6-3 |
| 2006-10-16 | Japan F11 | R32 | hard | Tasuku Iwami | 6-2 4-6 6-2 |
| 2005-09-05 | Japan F10 | R16 | hard | Tasuku Iwami | 6-0 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.