| ITF M25 Carrara | 2024/11/27 04:35 | Issei Okamura v Thomas Braithwaite | 3-6,1-6 |
| ITF M25 Carrara | 2024/11/26 00:00 | Naoki Tajima v Issei Okamura | 6-4,6-3 |
| ITF M25 Carrara | 2024/11/25 00:00 | Adrian Arcon v Issei Okamura | 4-6,1-6 |
| ITF M25 Caloundra | 2024/11/18 23:55 | Sam Ryan Ziegann v Issei Okamura | 3-6,6-4,10-4 |
| ITF M25 Caloundra | 2024/11/18 01:30 | Noah Brownrigg v Issei Okamura | 4-6,2-6 |
| ITF M15 Yanagawa | 2024/10/30 00:25 | Issei Okamura v Shunsuke Nakagawa | 5-7,3-6 |
| ITF M15 Tanagura | 2024/10/26 01:00 | Ryotaro Matsumura v Issei Okamura | 6-2,6-2 |
| ITF M15 Tanagura | 2024/10/25 00:30 | Issei Okamura v Yuichiro Inui | 6-4,6-7,6-3 |