Yuta Kawahashi defeated Kazuma Kawachi 6-4 7-5 in the M15 Harmon 1 round of 32 on hard. The result followed the form book — Yuta Kawahashi came in ranked #673, leading the head-to-head 2–0. Yuta Kawahashi extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-06-29 | M15 Jakarta 5 | R16 | hard | Yuta Kawahashi | 6-2 7-6(3) |
| 2019-06-14 | M15 Akishima 1 | QF | carpet | Yuta Kawahashi | 7-5 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.