Yuto Oki defeated Kazuma Kawachi 6-1 6-4 in the M15 Tanagura 1 round of 32 on hard. Yuto Oki claimed a first win over Kazuma Kawachi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-12-20 | M15 Yanagawa 1 | Q16 | hard | Kazuma Kawachi | 6-2 6-4 |
Averages over each player's completed matches in the selected window (2 vs 1). 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. Small sample — read as indicative. About