| UTR Pro Tennis Series Miami | 2022/01/30 15:30 | Nathan Ponwith v Azuma Visaya | 6-2,6-1 |
| ITF - M25 Weston | 2022/01/27 14:30 | Eduard Esteve Lobato v Nathan Ponwith | 6-3,6-1 |
| ITF - M15 Santo Domingo | 2021/12/10 13:30 | Alfredo Perez v Nathan Ponwith | 6-1,6-2 |
| ITF - M15 Santo Domingo | 2021/12/09 15:30 | Nathan Ponwith v Ricardo Rodriguez-Pace | 7-5,6-4 |
| ITF - M15 Santo Domingo | 2021/12/07 16:20 | Nathan Ponwith v Lorenzo Claverie | 6-2,6-1 |
| ITF - M25 Austin | 2021/11/18 17:00 | Nathan Ponwith v Philip Henning | 7-6,5-7,2-6 |
| ITF - M25 Austin | 2021/11/16 23:10 | Nathan Ponwith v Austin Rapp | 6-2,6-4 |
| ITF - M25 Harlingen | 2021/11/10 16:30 | Nathan Ponwith v Bruno Kuzuhara | 2-6,3-6 |
| UTR Pro Tennis Series Miami | 2022/01/30 17:00 | Ethan Leon v Luca Hotze | 7-5,6-0 |