Level, 1 wins each over 2 singles meetings since 2024. Last meeting on 19/10/2025 at Suzhou Challenger.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 19/10/2025 | Suzhou Challenger | Qualifying 1 | hard | Tajima | 6-3 6-4 |
| 28/05/2024 | M15 Karuizawa | Round 1 | clay | Isomura | 6-2 6-1 |
| hard | Tajima 1 - 0 Isomura |
| clay | Tajima 0 - 1 Isomura |
| 2025 | Tajima 1 - 0 Isomura |
| 2024 | Tajima 0 - 1 Isomura |
115 wins, 122 losses since 2021 (48.5%).
Last matches: D D V D D
151 wins, 135 losses since 2021 (52.8%).
Last matches: D V D D D
Level, 1 wins each over 2 singles meetings since 2024.
On 19/10/2025, at Suzhou Challenger (Qualifying 1): Naoki Tajima won 6-3 6-4.