Stadium: Court 13 Round: 19 Ground: Hardcourt outdoor
| ITF M15 Lubbock | 2021/09/28 15:00 | Garrett Johns v Nathan Ponwith | 6-3,6-2 |
| ITF M25 Memphis | 2019/08/13 15:00 | Nathan Ponwith v Garrett Johns | 1-6,3-6 |
| Challenger Cary | 2022/09/11 19:20 | Nathan Ponwith v Jake Krug | 6-0,6-2 |
| ITF M25 Columbus | 2022/08/11 15:45 | Patrick Maloney v Nathan Ponwith | 6-1,3-6,7-5 |
| ITF M25 Columbus | 2022/08/10 17:00 | Jibril Nettles v Nathan Ponwith | 5-7,3-6 |
| ITF M25 Edwardsville | 2022/07/31 16:00 | Nathan Ponwith v James Trotter | 6-3,4-6,1-6 |
| ITF M25 Edwardsville | 2022/07/30 15:00 | Sam Riffice v Nathan Ponwith | 2-6,4-6 |
| ITF M25 Edwardsville | 2022/07/29 18:15 | Jack Anthrop v Nathan Ponwith | 6-1,3-6,4-6 |
| ITF M25 Edwardsville | 2022/07/28 17:10 | Arvid Nordquist v Nathan Ponwith | 3-6,3-6 |
| ITF M25 Edwardsville | 2022/07/27 18:30 | Alexander Petrov v Nathan Ponwith | 6-4,6-7,4-6 |
| Challenger Cary | 2022/09/11 20:40 | Garrett Johns v John McNally | 4-6,7-6,6-2 |
| ITF M15 Memphis | 2022/08/21 14:00 | Garrett Johns v Shunsuke Mitsui | 6-2,6-0 |
| ITF M15 Memphis | 2022/08/20 17:30 | Sam Riffice v Garrett Johns | 3-6,7-5,6-7 |
| ITF M15 Memphis | 2022/08/19 15:00 | Garrett Johns v Alex Michelsen | 7-5,7-6 |
| ITF M15 Memphis | 2022/08/18 16:55 | Pedro Rodenas v Garrett Johns | 3-6,4-6 |
| ITF M15 Memphis | 2022/08/17 21:00 | Garrett Johns v Elijah Poritzky | 6-3,6-4 |
| ITF M25 Columbus | 2022/08/09 15:45 | Garrett Johns v James Tracy | 1-6,2-6 |
| ITF M25 Decatur | 2022/08/05 14:45 | Garrett Johns v Tyler Zink | 4-6,6-2,2-6 |