Naoki Tajima leads 2 to 1 over 3 singles meetings since 2023. Last meeting on 30/05/2023 at M15 Karuizawa.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 30/05/2023 | M15 Karuizawa | Round 1 | clay | Matsumura | 3-6 6-1 5-3 |
| 02/04/2023 | M25 Kashiwa | Qualifying 1 | hard | Tajima | |
| 27/03/2023 | M25 Tsukuba | Qualifiers | hard | Tajima | 6-3 0-6 10-4 |
| clay | Matsumura 1 - 0 Tajima |
| hard | Matsumura 0 - 2 Tajima |
| 2023 | Matsumura 1 - 2 Tajima |
82 wins, 59 losses since 2021 (58.2%).
Last matches: D D V D V
115 wins, 121 losses since 2021 (48.7%).
Last matches: D V D D V
Naoki Tajima leads 2 to 1 over 3 singles meetings since 2023.
On 30/05/2023, at M15 Karuizawa (Round 1): Ryotaro Matsumura won 3-6 6-1 5-3.