Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| 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 Tyler | 2023/06/04 20:20 | Dane Sweeny v Nathan Ponwith | 4-6,7-5,6-2 |
| Challenger Little Rock | 2023/05/31 16:00 | Antoine Escoffier v Nathan Ponwith | 6-1,6-2 |
| ITF M25 Santo Domingo | 2023/06/29 13:30 | Bernard Tomic v Marcus McDaniel | 6-4,6-3 |
| ITF M25 Santo Domingo | 2023/06/28 13:30 | Marcus McDaniel v Keshav Chopra | 6-4,7-6 |
| ITF M25 Santo Domingo | 2023/06/27 13:00 | Marcus McDaniel v Alan Sau Franco | 6-2,6-3 |
| ITF M25 Santo Domingo | 2023/06/26 15:00 | Marcus McDaniel v Tobias Sonne | 6-3,7-5 |
| ITF M15 Santo Domingo | 2023/06/22 15:55 | Marcus McDaniel v Jake Van Emburgh | 6-7,3-6 |
| ITF M15 Santo Domingo | 2023/06/20 18:00 | Marcus McDaniel v Kaeri H Mariona | 6-2,6-2 |
| ITF M25 Santo Domingo | 2023/06/20 13:00 | Marcus McDaniel v Tyler Stice | 6-2,4-6,8-10 |
| ITF M25 Wichita | 2023/06/13 15:00 | Chad Kissell v Marcus McDaniel | 6-2,6-3 |