Naoki Tajima advanced when Ryotaro Matsumura retired 6-4 4-0 in the M25 Kashiwa 1 qualifying round of 32. Naoki Tajima extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-05-30 | M15 Karuizawa 1 | R32 | clay | Ryotaro Matsumura | 3-6 6-1 6-4 |
| 2023-03-27 | M25 Tsukuba 1 | Q16 | hard | Naoki Tajima | 6-3 0-6 10-4 |
Averages over each player's completed matches in the selected window (116 vs 58). ATP, WTA & Challenger.
wins 56% of points on serve vs Tajima N.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About