Stadium: Center Court Round: 54 Ground: Hardcourt outdoor
| 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 M15 Monastir | 2023/04/24 08:00 | Warren Wood v Yusuke Kusuhara | 4-6,4-6 |
| ITF M15 Monastir | 2023/04/17 08:00 | Chen-Yu Lu v Yusuke Kusuhara | 6-4,0-6,10-7 |
| ITF M15 Monastir | 2023/04/16 08:00 | Yusuke Kusuhara v Yamato Sueoka | 7-6,6-4 |
| ITF M25 Tsukuba | 2023/03/27 02:00 | Yusuke Kusuhara v Hikaru Shiraishi | 4-6,1-6 |
| ITF M15 Karuizawa | 2023/05/28 01:15 | Shunsuke Nakagawa v Shunrou Takeshima | 6-3,3-6,8-10 |
| ITF M15 Monastir | 2023/04/26 10:40 | Shunsuke Nakagawa v Aziz Ouakaa | 7-6,6-7,3-6 |
| ITF M15 Monastir | 2023/04/24 13:00 | Rayen Hermassi v Shunsuke Nakagawa | 2-6,1-6 |
| ITF M15 Monastir | 2023/04/24 08:00 | Shunsuke Nakagawa v Thomas George Brun | 6-2,6-3 |
| ITF M15 Monastir | 2023/04/20 09:30 | Ye Cong Mo v Shunsuke Nakagawa | 6-2,6-0 |
| ITF M15 Monastir | 2023/04/19 11:10 | Shunsuke Nakagawa v Szymon Kielan | 6-4,6-1 |
| ITF M15 Monastir | 2023/04/17 12:30 | Shunsuke Nakagawa v Omar Brigida | 6-1,7-5 |
| ITF M15 Monastir | 2023/04/17 08:00 | Sebastian Sorger v Shunsuke Nakagawa | 2-6,6-3,6-10 |