
Shintaro Imai defeated Renta Tokuda 6-3 6-3 in the M15 Tokyo 2 round of 16 on hard. The upset overturned the form book — Renta Tokuda came in ranked #466, leading the head-to-head 5–1, but Shintaro Imai had been the form player, winning 6 of their last 10 on hard. Shintaro Imai narrowed the head-to-head to 5–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-07-13 | M15 Tokyo 2 | F | hard | Renta Tokuda | 6-3 6-2 |
| 2025-04-22 | M15 Osaka 2 | R32 | hard | Shintaro Imai | 6-1 6-3 |
| 2019-08-03 | M25 Nonthaburi 4 | SF | hard | Renta Tokuda | 6-4 7-5 |
| 2017-11-27 | Indonesia F8 | R32 | hard | Renta Tokuda | 4-0 |
| 2017-11-20 | Indonesia F7 | SF | hard | Renta Tokuda | 6-1 6-1 |
| 2016-07-25 | Vietnam F1 | QF | hard | Renta Tokuda | 6-4 3-2 |
Averages over each player's completed matches in the selected window (29 vs 32). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About