| 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 |
| ITF M15 Fayetteville | 2021/11/03 21:00 | Nathan Ponwith v Duarte Vale | 6-2,3-6,3-6 |
| ITF M15 Santo Domingo | 2021/12/01 15:45 | Azuma Visaya v Matt Kuhar | 3-6,0-6 |
| ITF M25 Santo Domingo | 2021/11/30 13:00 | Tommaso Carnevale-Miino v Azuma Visaya | 2-6,3-6 |
| ITF M15 Lubbock | 2021/09/27 15:00 | Jacob Brumm v Azuma Visaya | 6-2,4-6,10-7 |