Ko Suzuki defeated Yamato Sueoka 7-5 6-7 6-4 in the M15 Karuizawa 1 round of 32 on clay. The result followed the form book — Ko Suzuki came in leading the head-to-head 1–0. Ko Suzuki extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-06-02 | M15 Karuizawa 1 | Q16 | clay | Ko Suzuki | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.