Stadium: Show Court 1 Round: 14 Ground: Hardcourt outdoor
| Challenger Brisbane | 2025/01/26 00:00 | Keisuke Saitoh v Sam Ryan Ziegann | 2-6,4-6 |
| Challenger Nonthaburi | 2025/01/05 08:30 | Jakub Paul v Keisuke Saitoh | 6-3,6-4 |
| Challenger Noumea | 2024/12/31 01:20 | Keisuke Saitoh v Shintaro Mochizuki | 4-6,4-6 |
| ITF M15 Bali | 2024/12/24 06:00 | Keisuke Saitoh v Fitriadi M Rifqi | 6-4,5-7,2-6 |
| Challenger Yokkaichi | 2024/11/25 02:45 | Jakub Paul v Keisuke Saitoh | 7-6,7-6 |
| Challenger Yokkaichi | 2024/11/24 04:30 | Ji Sung Nam v Keisuke Saitoh | 1-6,3-6 |
| Challenger Yokohama | 2024/11/17 06:40 | Keisuke Saitoh v Petr Bar Biryukov | 5-7,2-6 |
| ITF M25 Takasaki | 2024/09/20 02:50 | Keisuke Saitoh v Yusuke Takahashi | 6-3,6-4 |
| Challenger Brisbane | 2025/01/26 00:00 | Ty Host v Jacob Brumm | 6-3,6-7,4-6 |
| Challenger Sydney | 2024/10/26 23:00 | Emile Hudd v Ty Host | 6-3,6-1 |
| ITF M25 Cairns | 2024/10/06 00:00 | Ty Host v Derin Sen | 6-7,7-6,8-10 |