Stadium: Cancha R. Viver Round: 19 Ground: Hardcourt outdoor
| Challenger Knoxville | 2022/11/06 17:55 | Alexander Bernard v Nathan Ponwith | 6-3,6-2 |
| Challenger Granby | 2023/07/18 18:05 | James Trotter v Nathan Ponwith | 6-3,7-6 |
| Challenger Granby | 2023/07/17 14:00 | Patrick Kypson v Nathan Ponwith | 6-3,7-5 |
| Challenger Granby | 2023/07/16 19:10 | Marko Stakusic v Nathan Ponwith | 4-6,4-6 |
| Challenger Chicago | 2023/07/09 17:20 | Nathan Ponwith v Christian Langmo | 4-6,5-7 |
| Challenger Bloomfield Hills | 2023/07/03 16:45 | Andres Martin v Nathan Ponwith | 6-3,6-4 |
| ITF M15 Los Angeles | 2023/06/22 18:00 | Nathan Ponwith v Quinn Vandecasteele | 3-6,3-6 |
| ITF M15 Los Angeles | 2023/06/21 19:50 | Nathan Ponwith v Maxwell McKennon | 6-4,6-4 |
| Challenger Palmas del Mar | 2023/06/11 19:30 | Nathan Ponwith v Michael Zheng | 4-6,6-7 |
| Challenger Salinas | 2023/07/23 18:05 | Alexander Bernard v Matias Soto | 6-4,6-4 |
| ITF M25 Champaign | 2023/07/21 16:40 | Alexander Bernard v Aidan Mchugh | 5-7,1-6 |
| ITF M25 Champaign | 2023/07/20 16:50 | Edward Winter v Alexander Bernard | 4-6,2-6 |
| ITF M25 Champaign | 2023/07/19 19:45 | Andrew Fenty v Alexander Bernard | 6-4,3-6,6-7 |
| ITF M25 Dallas | 2023/07/11 21:30 | Alexander Bernard v Nick Chappell | 1-6,6-4,3-6 |
| ITF M15 South Bend | 2023/06/21 20:45 | James Tracy v Alexander Bernard | 6-3,7-6 |
| ITF M25 Wichita | 2023/06/14 16:30 | Alexander Bernard v Sebastian Gorzny | 3-6,1-6 |
| ITF M25 Columbus | 2022/11/19 15:50 | John McNally v Alexander Bernard | 7-6,6-7,3-6 |