stadio: Court 3 Round: 25 Ground: Clay
| ITF M15 Sunrise | 2023/04/11 21:30 | Herbert Jody Maginley v Leo Vithoontien | 6-2,4-6,4-10 |
| ITF M15 Sunrise | 2023/04/11 16:00 | Alex Sklizovic v Leo Vithoontien | 2-6,4-6 |
| ITF M25 Tsukuba | 2023/03/27 02:00 | Jeremy Jin v Leo Vithoontien | 1-6,6-1,10-6 |
| ITF M15 Naples | 2023/02/20 14:30 | Lucas Bouquet v Leo Vithoontien | 6-2,6-0 |
| ITF M15 Palm Coast | 2023/02/06 15:00 | Jakub Wojcik v Leo Vithoontien | 6-4,4-6,10-0 |
| ITF M25 Wesley Chapel | 2023/01/25 18:35 | Leo Vithoontien v Jaimee Floyd Angele | 3-6,4-6 |
| ITF M25 Wesley Chapel | 2023/01/24 15:45 | Aleksa Ciric v Leo Vithoontien | 6-7,6-7 |
| ITF M25 Wesley Chapel | 2023/01/23 14:45 | Xavier Lawrence v Leo Vithoontien | 2-6,6-2,8-10 |
| ITF M25 Calabasas | 2023/03/23 17:00 | Nathan Ponwith v Cooper Williams | 7-6,7-6 |
| ITF M25 Calabasas | 2023/03/22 22:00 | Jonathan Mridha v Cooper Williams | 2-6,6-7 |
| ITF M25 Calabasas | 2023/03/20 18:00 | Semen Pankin v Cooper Williams | 6-7,2-6 |
| ITF M25 Bakersfield | 2023/03/16 01:30 | Cooper Williams v Adam Jones | 6-7,2-6 |
| Challenger Waco | 2023/02/26 19:40 | Mohamed Aziz Dougaz v Cooper Williams | 6-4,6-4 |
| Challenger Rome (Georgia) | 2023/02/19 23:35 | Alex Rybakov v Cooper Williams | 4-6,6-1,6-2 |
| ITF M15 Weston | 2023/02/16 14:45 | Ignacio Buse v Cooper Williams | 5-7,6-3,6-3 |
| ITF M15 Weston | 2023/02/15 17:45 | Cooper Williams v Juan Carlos Aguilar | 6-0,7-6 |