stadio: Court 8 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2024/01/10 08:30 | Keisuke Saitoh v Nicola Kuhn | 4-6,4-6 |
| ITF M15 Monastir | 2024/01/08 15:55 | Keisuke Saitoh v Artur Kukasian | 7-5,6-2 |
| ITF M15 Monastir | 2024/01/08 08:00 | Keisuke Saitoh v Yuta Kikuchi | 7-6,6-2 |
| ITF M15 Monastir | 2024/01/07 08:00 | Keisuke Saitoh v Leon Formella | 6-1,6-1 |
| ITF M15 Yanagawa | 2023/12/29 01:00 | Keisuke Saitoh v Duckhee Lee | 3-6,5-7 |
| ITF M15 Yanagawa | 2023/12/28 01:00 | Mikalai Haliak v Keisuke Saitoh | 4-6,3-6 |
| ITF M15 Yanagawa | 2023/12/27 00:30 | Keisuke Saitoh v Taki Adachi | 6-1,6-1 |
| ITF M15 Yanagawa | 2023/12/20 07:15 | Linang Xiao v Keisuke Saitoh | 6-0,6-2 |
| ITF M15 Monastir | 2024/01/07 08:00 | Geni Inoue v Takahiro Kubo | 6-0,6-2 |
| ITF M15 Monastir | 2023/12/31 10:00 | Ammar Elamin v Takahiro Kubo | 6-0,6-2 |
| ITF M15 Monastir | 2023/12/24 08:00 | Takahiro Kubo v Anthony Shumsky | 1-6,3-6 |
| ITF M25 Monastir | 2023/11/26 08:00 | Takahiro Kubo v Adrien Berrut | 1-6,0-6 |
| ITF M15 Monastir | 2023/11/19 08:30 | Takahiro Kubo v Harold Van Raemdonck | 1-6,1-6 |
| ITF M15 Monastir | 2023/11/12 08:00 | Takahiro Kubo v Max Van Nunen | 2-6,2-6 |
| ITF M15 Monastir | 2023/11/05 08:30 | Takahiro Kubo v Antonio Cayetano March | 6-2,0-6,5-10 |
| ITF M15 Villers Les Nancy | 2023/10/15 08:35 | Takahiro Kubo v Nicolas Ifi | 0-6,1-6 |