Stadion: Court 13 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 - Kuching | 2022/08/04 04:30 | Tsung-Hao Huang v Keisuke Saitoh | 6-1,6-0 |
| ITF - M15 - Kashiwa | 2024/04/01 01:00 | Jimmy Yang v Keisuke Saitoh | 1-6,3-6 |
| ITF - M15 - Kashiwa | 2024/03/31 01:00 | Yuttana Charoenphon v Keisuke Saitoh | 5-7,2-6 |
| ITF - M15 - Tsukuba | 2024/03/27 00:45 | Jeamoon Lee v Keisuke Saitoh | 4-6,6-1,6-4 |
| ITF - M15 - Tsukuba | 2024/03/25 06:00 | Jimmy Yang v Keisuke Saitoh | 3-6,4-6 |
| ITF - M15 - Tsukuba | 2024/03/24 01:00 | Yuttana Charoenphon v Keisuke Saitoh | 1-6,4-6 |
| ITF - M15 - Nishi-Tokyo | 2024/03/18 01:00 | Ko Suzuki v Keisuke Saitoh | 6-3,6-3 |
| ITF - M15 - Hinode | 2024/03/14 00:55 | Linang Xiao v Keisuke Saitoh | 6-4,6-2 |
| ITF - M15 - Hinode | 2024/03/13 03:35 | Keisuke Saitoh v Sora Fukuda | 7-6,3-6,6-2 |
| ITF - M15 - Tsukuba | 2024/03/28 01:00 | Tsung-Hao Huang v Kokoro Isomura | 6-2,4-6,0-6 |
| ITF - M15 - Tsukuba | 2024/03/27 02:55 | Jake Delaney v Tsung-Hao Huang | 1-6,4-6 |
| ITF - M15 - Nishi-Tokyo | 2024/03/21 03:30 | Tsung-Hao Huang v Leo Vithoontien | 6-4,3-6,2-6 |
| ITF - M15 - Nishi-Tokyo | 2024/03/20 06:05 | Yuki Mochizuki v Tsung-Hao Huang | 4-6,6-7 |
| ITF - M15 - Nakhon Si Thammarat | 2024/02/29 01:55 | Maik Steiner v Tsung-Hao Huang | 6-1,6-2 |
| ITF - M15 - Nakhon Si Thammarat | 2024/02/22 02:00 | Maximus Jones v Tsung-Hao Huang | 6-3,6-3 |
| ITF - M15 - Nakhon Si Thammarat | 2024/02/20 02:00 | Tsung-Hao Huang v Matic Kriznik | 6-3,3-6,6-3 |
| ITF - M15 - Nakhon Si Thammarat | 2024/02/16 02:00 | Gabriel Decamps v Tsung-Hao Huang | 6-4,6-4 |