Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Sapporo | 2023/09/12 02:00 | Naoki Tajima v Tatsuma Ito | 3-6,1-6 |
| ITF M25 Sapporo | 2023/09/11 00:55 | Naoki Tajima v Ko Suzuki | 7-6,4-6,10-8 |
| ITF M25 Sapporo | 2023/09/03 01:00 | Naoki Tajima v Hiroki Sakagawa | 2-6,3-6 |
| ITF M25 Tainan | 2023/08/22 02:00 | Naoki Tajima v Leonid Sheyngezikht | 3-6,5-7 |
| ITF M25 Tainan | 2023/08/17 02:00 | Ergi Kirkin v Naoki Tajima | 6-3,6-4 |
| ITF M25 Tainan | 2023/08/15 01:55 | Yu Hsiang Su v Naoki Tajima | 3-6,1-6 |
| ITF M15 Caloundra | 2023/07/31 23:50 | Naoki Tajima v Anton Shepp | 6-1,4-6,7-10 |
| ITF M15 Caloundra | 2023/07/25 23:50 | Naoki Tajima v Brandon Walkin | 6-7,6-3,4-6 |
| 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 M15 Monastir | 2023/04/24 08:00 | Warren Wood v Yusuke Kusuhara | 4-6,4-6 |