Stadium: Court N2 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Norman | 2019/07/12 15:00 | Austin Rapp v Nathan Ponwith | 7-6,1-6,7-5 |
| 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 M25 Calabasas | 2021/10/30 21:00 | Rinky Hijikata v Nathan Ponwith | 6-2,6-3 |
| ITF M25 Calabasas | 2021/10/29 18:00 | Nathan Ponwith v Max Basing | 6-4,6-4 |
| ITF M25 Calabasas | 2021/10/28 19:50 | Connor Farren v Nathan Ponwith | 7-6,0-6,5-7 |
| ITF M25 Calabasas | 2021/10/27 00:40 | Nathan Ponwith v Andre Ilagan | 6-3,6-3 |
| ITF M15 Ithaca | 2021/10/07 16:05 | A.J Catanzariti v Nathan Ponwith | 6-4,6-3 |
| ITF M15 Ithaca | 2021/10/06 15:00 | Evan Bynoe v Nathan Ponwith | 4-6,6-4,1-6 |
| ITF M25 Las Vegas | 2020/03/05 18:00 | Nick Chappell v Austin Rapp | 2-6,7-6,7-6 |
| ITF M25 Las Vegas | 2020/03/04 19:20 | Alexander Cozbinov v Austin Rapp | 7-6,0-6,5-7 |
| Challenger Columbus | 2020/02/25 16:35 | Sekou Bangoura v Austin Rapp | 6-3,6-3 |
| ITF M15 Cancun | 2020/02/21 15:35 | Gage Brymer v Austin Rapp | 6-2,6-3 |
| ITF M15 Cancun | 2020/02/20 16:30 | Austin Rapp v Felipe M Sarrasague | 6-4,6-4 |
| ITF M15 Cancun | 2020/02/18 14:00 | Connor Farren v Austin Rapp | 3-6,6-1,3-6 |
| ITF M25 Nonthaburi | 2020/02/05 04:25 | Austin Rapp v Laurent Lokoli | 2-6,2-6 |
| ITF M25 Nonthaburi | 2020/02/04 04:10 | Nam Hoang Ly v Austin Rapp | 3-6,3-6 |