Stadium: Snapdragon Stadium Round: 25 Ground: Hardcourt outdoor
| Challenger Morelos | 2023/04/16 17:45 | Nathan Ponwith v Alan F R Fierros | 6-7,2-6 |
| Challenger Yokkaichi | 2023/11/27 01:00 | Nathan Ponwith v James Trotter | 1-6,2-6 |
| Challenger Yokkaichi | 2023/11/26 01:00 | Nathan Ponwith v Kazuma Kawachi | 6-7,6-4,7-5 |
| Challenger Yokohama | 2023/11/19 07:55 | Nathan Ponwith v Colin Sinclair | 3-6,6-7 |
| Challenger Champaign | 2023/11/12 19:35 | Nathan Ponwith v Murphy Cassone | 5-7,3-6 |
| Challenger Knoxville | 2023/11/05 19:25 | Alex Rybakov v Nathan Ponwith | 6-4,6-4 |
| ITF M25 Harlingen | 2023/10/25 13:55 | Nathan Ponwith v Marcus McDaniel | 5-7,4-6 |
| ITF M15 Las Vegas | 2023/10/18 16:55 | Nathan Ponwith v Sebastian Dominko | 3-6,6-7 |
| Challenger Fairfield | 2023/10/08 20:05 | Edward Winter v Nathan Ponwith | 6-2,6-2 |
| ITF M15 Santa Cruz | 2023/11/24 20:20 | Alan F R Fierros v Valerio Aboian | 4-6,6-3,4-6 |
| ITF M15 Santa Cruz | 2023/11/23 17:00 | Alan F R Fierros v Juan Estevez | 6-3,7-6 |
| ITF M15 Santa Cruz | 2023/11/22 18:25 | Tomas Farjat v Alan F R Fierros | 6-7,6-4,2-6 |
| ITF M15 Cochabamba | 2023/11/15 18:30 | Joao Victor C Loureiro v Alan F R Fierros | 3-6,6-4,6-3 |
| ITF M15 Rosario | 2023/11/08 13:00 | Franco Roncadelli v Alan F R Fierros | 0-6,6-0,6-1 |
| ITF M15 Villa Maria | 2023/11/05 14:30 | Alan F R Fierros v Franco Emanuel Egea | 1-6,4-6 |
| ITF M15 Villa Maria | 2023/11/04 18:00 | Luciano Emanuel Ambrogi v Alan F R Fierros | 6-3,2-6,4-6 |
| ITF M15 Villa Maria | 2023/11/04 13:55 | Alan F R Fierros v Lautaro Midon | 6-4,7-5 |