Stadium: Court 7 Round: 62 Ground: Clay
| ITF M15 Kashiwa | 2024/04/05 04:30 | Yu Hsiou Hsu v Keisuke Saitoh | 6-3,6-1 |
| ITF M15 Kashiwa | 2024/04/04 01:30 | Daisuke Sumizawa v Keisuke Saitoh | 5-7,2-6 |
| ITF M15 Kashiwa | 2024/04/03 04:10 | Keisuke Saitoh v Tsung-Hao Huang | 6-2,6-3 |
| 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 Meerbusch | 2024/04/23 11:50 | Florian Broska v Yannik Kelm | 6-2,3-6,6-1 |
| ATP Mnichov | 2024/04/13 10:00 | Yannik Kelm v Francesco Passaro | 3-6,2-6 |
| ITF M15 - Antalya | 2024/04/03 07:00 | Lewie Lane v Yannik Kelm | 6-4,6-2 |
| ITF M15 - Antalya | 2024/04/02 07:00 | Leopold Zima v Yannik Kelm | 3-6,4-6 |
| ITF M15 - Antalya | 2024/04/01 07:00 | Kaya Arinc v Yannik Kelm | 3-6,2-6 |
| ITF M15 - Antalya | 2024/03/31 07:00 | Yannik Kelm v Nikita Mashtakov | 4-6,6-3,10-6 |
| ITF M15 - Antalya | 2024/03/25 07:00 | Yannik Kelm v Ioan Alexandru Chirita | 2-6,2-6 |
| ITF M15 - Antalya | 2024/03/24 09:30 | Yannik Kelm v Aleksander Orlikowski | 6-4,6-2 |