Tatsuma Ito defeated Yaoki Ishii 6-7 6-4 6-2 in the Japan F4 round of 32 on clay. The result followed the form book — Tatsuma Ito came in leading the head-to-head 2–0. Tatsuma Ito extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-03-24 | Japan F2 | R16 | hard | Tatsuma Ito | 7-6(4) 4-6 7-6(5) |
| 2007-10-15 | Japan F10 | R32 | hard | Tatsuma Ito | 2-6 7-5 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.