Stadium: Court 3 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Nakhon Si Thammarat | 2024/02/26 04:35 | Leo Vithoontien v Mattias Southcombe | 6-0,6-0 |
| ITF M15 Nishi-Tokyo | 2024/03/18 03:30 | Mattias Southcombe v Taiyo Yamanaka | 3-6,4-6 |
| ITF M15 Hinode | 2024/03/11 01:00 | Yu Tanaka v Mattias Southcombe | 6-2,6-2 |
| ITF M15 Hinode | 2024/03/10 03:00 | Ryusuke Horiuchi v Mattias Southcombe | 3-6,6-3,5-10 |
| ITF M15 Nakhon Si Thammarat | 2024/02/26 04:35 | Leo Vithoontien v Mattias Southcombe | 6-0,6-0 |
| ITF M15 Nakhon Si Thammarat Qual | 2024/02/25 04:00 | Suphawat Saeoui v Mattias Southcombe | 7-6,4-6,12-14 |
| ITF M15 Nakhon Si Thammarat Qual | 2024/02/18 03:55 | Mattias Southcombe v Corban Crowther | 3-6,5-7 |
| ITF M15 Nakhon Si Thammarat | 2024/02/11 03:15 | Siwanat Auytayakul v Mattias Southcombe | 6-0,6-4 |
| ITF M25 Chennai | 2024/01/22 08:55 | Mattias Southcombe v Adil Kalyanpur | 6-7,3-6 |
| 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 Nakhon Si Thammarat | 2024/02/28 07:20 | Leo Vithoontien v Orel Kimhi | 6-7,3-6 |
| ITF M15 Nakhon Si Thammarat | 2024/02/26 04:35 | Leo Vithoontien v Mattias Southcombe | 6-0,6-0 |