Stadium: Court 4 Round: 19 Ground: Hardcourt outdoor
| 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 |
| ITF - M15 Karuizawa | 2023/05/28 01:15 | Nishith Naveen v Yusuke Kusuhara | 1-6,1-6 |
| ITF - M15 Monastir | 2023/04/26 13:35 | Yusuke Kusuhara v Adrien Gobat | 6-7,5-7 |
| ITF - M15 Monastir | 2023/04/24 14:30 | Yusuke Kusuhara v Oscar Lacides | 6-3,7-6 |
| ITF - M25 Sapporo | 2023/09/10 01:00 | Hiroki Sakagawa v Hiroyasu Ehara | 6-7,6-1,10-6 |
| ITF - M25 Kashiwa | 2023/04/05 02:40 | Rimpei Kawakami v Hiroyasu Ehara | 6-0,6-0 |
| ITF - M25 Kashiwa | 2023/04/03 02:30 | Hiroyasu Ehara v Naoki Tajima | 6-4,6-2 |
| ITF - M25 Kashiwa | 2023/04/02 04:00 | Yuichiro Inui v Hiroyasu Ehara | 4-6,2-6 |
| ITF - M15 Antalya | 2023/03/14 11:20 | Gabriele Pennaforti v Hiroyasu Ehara | 6-0,6-2 |
| ITF - M15 Antalya | 2023/03/13 16:10 | Jiri Jenicek v Hiroyasu Ehara | 2-6,1-6 |
| ITF - M15 Antalya | 2023/03/12 10:30 | Filippo Verdese v Hiroyasu Ehara | 1-6,1-6 |
| ITF - M15 Antalya | 2023/03/01 07:00 | Hiroyasu Ehara v Dominik Kellovsky | 3-6,2-6 |