Stadium: Court 2 Round: 54 Ground: Clay
| ITF M25 Addis Ababa | 2024/05/21 08:05 | Issei Okamura v Kabir Hans | 4-6,1-6 |
| ITF M15 Addis Ababa | 2024/05/13 09:30 | Issei Okamura v Dharmil Shah | 6-7,3-6 |
| ITF M15 Kashiwa | 2024/03/31 01:00 | Yeongseok Jeong v Issei Okamura | 6-2,7-6 |
| ITF M15 Tsukuba | 2024/03/24 01:00 | Issei Okamura v Masamichi Imamura | 6-7,6-7 |
| ITF M15 Nishi-Tokyo | 2024/03/18 03:30 | Jumpei Yamasaki v Issei Okamura | 6-2,6-1 |
| ITF M15 Hinode | 2024/03/11 04:30 | Koki Matsuda v Issei Okamura | 6-4,6-3 |
| ITF M15 Hinode | 2024/03/11 01:00 | Yudai Umeoka v Issei Okamura | 3-6,6-7 |
| ITF M25 Traralgon | 2024/02/27 01:05 | Jesse Delaney v Issei Okamura | 6-4,6-4 |
| ITF M15 Villahermosa | 2024/05/05 17:00 | Antoine Voisin v Oliver Clark Anderson | 1-6,0-6 |
| ITF M25 Xalapa | 2024/04/29 19:45 | Ren Nakamura v Antoine Voisin | 6-1,6-1 |