Stadium: Court 2 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2024/02/22 09:00 | Adrien Gobat v Keisuke Saitoh | 6-4,7-5 |
| ITF M15 Monastir | 2024/02/20 10:50 | Keisuke Saitoh v Louis Tessa | 6-3,6-1 |
| ITF M15 Monastir | 2024/02/07 08:30 | Luca Castagnola v Keisuke Saitoh | 4-6,6-1,7-5 |
| ITF M15 Monastir | 2024/02/05 14:10 | Keisuke Saitoh v Nazim Makhlouf | 6-4,6-3 |
| ITF M15 Monastir | 2024/02/05 09:30 | Keisuke Saitoh v Dimitris Sakellaridis | 6-2,7-5 |
| ITF M15 Monastir | 2024/01/25 08:30 | Keisuke Saitoh v Andres F Canovas | 4-6,1-6 |
| ITF M15 Monastir | 2024/01/24 11:45 | Yan Bai v Keisuke Saitoh | 4-6,6-3,1-6 |
| ITF M15 Monastir | 2024/01/22 15:10 | Keisuke Saitoh v Kylian Collignon | 6-1,6-1 |
| ITF M15 Yanagawa | 2023/12/25 00:30 | Yusuke Kusuhara v Shunsuke Nakagawa | 4-6,2-6 |
| Challenger Matsuyama | 2023/11/05 04:10 | Yusuke Kusuhara v Yusuke Takahashi | 2-6,2-6 |
| ITF M25 Takasaki | 2023/09/18 02:40 | Yusuke Kusuhara v Hiroyasu Ehara | 6-1,4-6,6-10 |
| ITF M25 Takasaki | 2023/09/17 05:00 | Naoki Tajima v Yusuke Kusuhara | 6-1,2-6,10-12 |
| ITF M25 Sapporo | 2023/09/13 01:00 | Naoki Nakagawa v Yusuke Kusuhara | 6-2,7-6 |
| ITF M25 Sapporo | 2023/09/11 02:30 | Ryusuke Horiuchi v Yusuke Kusuhara | 3-6,6-3,6-10 |
| ITF M25 Sapporo | 2023/09/10 03:00 | Yusuke Kusuhara v Lennon-Roark Jones | 4-6,6-4,10-6 |
| ITF M15 Karuizawa | 2023/05/30 03:00 | Ko Suzuki v Yusuke Kusuhara | 7-6,4-6,10-8 |