Bumpei Sato defeated Tadayuki Longhi 6-3 6-4 in the Japan F5 round of 32 on clay. The result followed the form book — Bumpei Sato came in leading the head-to-head 1–0. Bumpei Sato extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-05-26 | Guam F1 | R32 | hard | Bumpei Sato | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.