Stadium: Court C1 Round: 54 Ground: Hardcourt outdoor
| 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 M25 Traralgon | 2024/02/26 01:30 | Winter Meagher v Issei Okamura | 2-6,2-6 |
| ITF M25 Traralgon | 2024/02/20 23:00 | Issei Okamura v Matt Hulme | 6-1,3-6,3-6 |
| ITF M25 Traralgon | 2024/02/20 00:25 | Yuta Kikuchi v Issei Okamura | 1-6,7-5,6-10 |
| ITF M25 Traralgon | 2024/02/18 23:00 | Cooper Errey v Issei Okamura | 4-6,6-7 |
| ITF - M15 Nishi-Tokyo | 2024/03/20 02:30 | Masamichi Imamura v Yunseong Chung | 6-7,2-6 |
| ITF - M15 Nishi-Tokyo | 2024/03/19 01:00 | Shohei Chikami v Masamichi Imamura | 4-6,1-6 |
| ITF - M15 Nishi-Tokyo | 2024/03/18 01:00 | Kaito Uesugi v Masamichi Imamura | 1-6,2-6 |
| ITF M15 Hinode | 2024/03/12 01:00 | Masamichi Imamura v Duckhee Lee | 2-6,6-2,2-6 |
| ITF M25 Traralgon | 2024/02/29 02:45 | Masamichi Imamura v Luke Saville | 1-6,7-6,4-6 |
| ITF M25 Traralgon | 2024/02/27 02:00 | Masamichi Imamura v Tai Leonard Sach | 6-3,6-7,6-2 |
| ITF M25 Traralgon | 2024/02/21 23:00 | Luke Saville v Masamichi Imamura | 5-7,7-6,7-5 |
| ITF M25 Traralgon | 2024/02/20 23:00 | Hikaru Shiraishi v Masamichi Imamura | 6-2,1-6,1-6 |