| ITF M25 Burnie | 2025/02/17 00:00 | Joshua Charlton v Issei Okamura | 6-1,6-3 |
| ITF M25 Timaru | 2025/02/12 21:00 | Yu Hsiou Hsu v Issei Okamura | 6-1,6-0 |
| ITF M25 Timaru | 2025/02/11 22:30 | Issei Okamura v Lev Gorb | 6-2,6-1 |
| ITF M25 Timaru | 2025/02/09 22:30 | Issei Okamura v Stefan Storch | 6-4,7-6 |
| UTR Pro Yokohama | 2025/02/01 06:15 | Issei Okamura v Kotaro Mochizuki | 2-6,4-6 |
| UTR Pro Yokohama | 2025/02/01 00:00 | Issei Okamura v Keisuke Ota | 6-2,7-5 |
| UTR Pro Yokohama | 2025/01/31 01:00 | Issei Okamura v Kazuki Sugimoto | 6-4,6-3 |
| UTR Pro Yokohama | 2025/01/29 03:40 | Issei Okamura v Daiki Sato | 7-5,6-4 |
| Challenger Matsuyama | 2024/11/03 02:20 | Yuhei Kono v Yi Zhou | 5-7,0-6 |
| ITF M15 Yanagawa | 2024/10/31 03:30 | Yuhei Kono v Taiyo Yamanaka | 2-6,2-6 |
| ITF M15 Yanagawa | 2024/10/30 05:25 | Yuhei Kono v Natthayut Nithithananont | 6-4,6-2 |
| ITF M15 Yanagawa | 2024/10/29 00:30 | Ko Nagashima v Yuhei Kono | 3-6,1-6 |
| ITF M25 Takasaki | 2024/09/15 07:00 | Taisei Ichikawa v Yuhei Kono | 6-3,6-0 |
| ITF M25 Sapporo | 2024/09/09 00:50 | Brandon Perez v Yuhei Kono | 6-3,6-1 |
| ITF M25 Sapporo | 2024/09/02 02:30 | Taketo Takamisawa v Yuhei Kono | 7-5,6-3 |