Stadium: Court 6 Round: 54 Ground: Hardcourt indoor
| ITF M15 Karuizawa | 2024/05/27 01:00 | Issei Okamura v Yusuke Kusuhara | 3-6,6-3,2-10 |
| ITF M15 Tokyo | 2024/07/02 02:30 | Corey Craig v Yusuke Kusuhara | 2-6,6-3,10-4 |
| ITF M15 Tokyo | 2024/07/01 01:00 | Hien Q H Pham v Yusuke Kusuhara | 3-6,3-6 |
| ITF M15 Harmon | 2024/06/04 00:00 | Yusuke Kusuhara v Yuichiro Inui | 6-2,2-6,6-7 |
| ITF M15 Harmon | 2024/06/03 01:00 | Charlie Pade v Yusuke Kusuhara | 5-7,0-6 |
| ITF M15 Harmon | 2024/06/02 08:00 | Antoine Voisin v Yusuke Kusuhara | 2-6,1-6 |
| ITF M15 Karuizawa | 2024/05/30 03:50 | Yusuke Kusuhara v Sora Fukuda | 3-6,2-6 |
| ITF M15 Karuizawa | 2024/05/29 02:30 | Yusuke Kusuhara v Sam Ryan Ziegann | 6-2,6-4 |
| ITF M15 Karuizawa | 2024/05/27 01:00 | Issei Okamura v Yusuke Kusuhara | 3-6,6-3,2-10 |
| ITF M15 Nakhon Si Thammarat | 2024/07/05 02:00 | Issei Okamura v Adil Kalyanpur | 3-6,3-6 |
| ITF M15 Nakhon Si Thammarat | 2024/07/04 06:20 | Amit Vales v Issei Okamura | 3-6,3-6 |
| ITF M15 Nakhon Si Thammarat | 2024/07/03 02:00 | James Van Herzeele v Issei Okamura | 2-6,4-6 |
| ITF M15 Nakhon Si Thammarat | 2024/07/01 02:00 | Issei Okamura v Gabor Hornung | 6-4,2-6,10-6 |
| ITF M25 Luzhou | 2024/06/19 09:55 | Sheng Tang v Issei Okamura | 6-3,7-5 |
| ITF M15 Hong Kong | 2024/06/12 09:30 | Ajeet Rai v Issei Okamura | 6-1,6-1 |
| ITF M15 Hong Kong | 2024/06/11 01:55 | Issei Okamura v Charlie Pade | 7-5,6-2 |
| ITF M15 Harmon | 2024/06/05 04:30 | Issei Okamura v Naoki Tajima | 6-3,3-6,3-6 |