Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Nishi-Tokyo | 2024/03/22 01:00 | Leo Vithoontien v Stefanos Sakellaridis | 2-6,7-6,6-7 |
| ITF M15 Kashiwa | 2024/04/01 06:00 | Leo Vithoontien v Masamichi Imamura | 5-7,6-7 |
| ITF M15 Tsukuba | 2024/03/24 01:00 | Mattias Southcombe v Leo Vithoontien | 7-6,6-3 |
| ITF M15 Nishi-Tokyo | 2024/03/22 01:00 | Leo Vithoontien v Stefanos Sakellaridis | 2-6,7-6,6-7 |
| 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 06:30 | Leo Vithoontien v Kazuki Nishiwaki | 6-2,6-3 |
| ITF M15 Nishi-Tokyo | 2024/03/19 01:00 | Leo Vithoontien v Ryotaro Matsumura | 3-6,6-4,10-6 |
| ITF M15 Nishi-Tokyo | 2024/03/18 03:30 | Leo Vithoontien v Shion Motoyama | 6-2,6-2 |
| ITF M15 Hinode | 2024/03/12 01:00 | Leo Vithoontien v Takuya Kumasaka | 2-6,6-4,4-6 |
| ITF M15 Tsukuba | 2024/03/29 06:05 | Kokoro Isomura v Stefanos Sakellaridis | 6-2,0-6,6-2 |
| ITF M15 Tsukuba | 2024/03/28 04:15 | Daisuke Sumizawa v Stefanos Sakellaridis | 3-6,6-3,1-6 |
| ITF M15 Tsukuba | 2024/03/27 07:45 | Tianhui Zhang v Stefanos Sakellaridis | 4-6,2-6 |
| ITF M15 Nishi-Tokyo | 2024/03/23 04:20 | Stefanos Sakellaridis v Duckhee Lee | 6-7,6-2,5-7 |
| ITF M15 Nishi-Tokyo | 2024/03/22 01:00 | Leo Vithoontien v Stefanos Sakellaridis | 2-6,7-6,6-7 |
| ITF M15 Nishi-Tokyo | 2024/03/21 02:55 | Seungmin Park v Stefanos Sakellaridis | 2-6,3-6 |
| ITF M15 Nishi-Tokyo | 2024/03/20 06:50 | Koki Matsuda v Stefanos Sakellaridis | 7-5,6-7,4-6 |
| ITF M15 Hinode | 2024/03/17 02:00 | Yan Bai v Stefanos Sakellaridis | 6-2,6-4 |