Stadium: Cancha 5 Round: 25 Ground: Clay
| ITF M15 Santiago | 2024/04/18 14:00 | Thomas Brown v Leo Vithoontien | 6-3,4-6,6-2 |
| ITF M15 Santiago | 2024/04/16 13:00 | Manuel Mouilleron Salvo v Leo Vithoontien | 3-6,6-3,1-6 |
| ITF M15 Kashiwa | 2024/04/04 03:15 | Shintaro Imai v Leo Vithoontien | 6-3,6-3 |
| ITF M15 Kashiwa | 2024/04/03 04:50 | Leo Vithoontien v Stefanos Sakellaridis | 4-6,7-5,7-5 |
| 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 |
| Challenger San Miguel de Tucuman | 2024/04/15 13:00 | Juan Sebastian Osorio v Leonid Sheyngezikht | 2-6,2-6 |
| Challenger San Miguel de Tucuman | 2024/04/14 15:45 | Collin Altamirano v Juan Sebastian Osorio | 6-7,6-3,2-6 |
| ITF M25 Feira De Santana | 2024/03/12 16:05 | Juan Sebastian Osorio v Mateus Alves | 2-6,3-6 |
| ITF M25 Recife | 2024/03/07 20:00 | Paul Valsecchi v Juan Sebastian Osorio | 6-3,7-5 |
| ITF M25 Recife | 2024/03/05 18:20 | Juan Sebastian Osorio v Mateo Barreiros Reyes | 6-4,3-6,6-3 |
| ITF M15 Palm Coast | 2024/02/13 15:00 | William Grant v Juan Sebastian Osorio | 6-2,6-1 |
| ITF M15 Palm Coast | 2024/02/12 15:00 | Miguel Angel Cabrera v Juan Sebastian Osorio | 6-3,4-6,8-10 |
| ITF M15 Sunrise | 2024/02/07 16:25 | Nicolas Mejia v Juan Sebastian Osorio | 6-3,6-0 |