Stadium: Court 15 Round: 19 Ground: Hardcourt outdoor
| ITF M15 - Los Angeles | 2023/06/22 18:00 | Nathan Ponwith v Quinn Vandecasteele | 3-6,3-6 |
| Challenger Cary | 2023/08/06 14:00 | Strong Kirchheimer v Quinn Vandecasteele | 7-5,3-6,2-6 |
| ITF M25 - Decatur | 2023/08/03 15:50 | Naoki Nakagawa v Quinn Vandecasteele | 6-4,6-1 |
| ITF M25 - Decatur | 2023/08/02 14:00 | Quinn Vandecasteele v Fabien Salle | 6-4,6-4 |
| ITF M25 - Edwardsville | 2023/07/30 14:30 | Aidan Mchugh v Quinn Vandecasteele | 3-6,6-7 |
| ITF M25 - Edwardsville | 2023/07/29 14:00 | Ozan Baris v Quinn Vandecasteele | 1-6,3-6 |
| ITF M25 - Edwardsville | 2023/07/28 14:30 | Quinn Vandecasteele v Naoki Nakagawa | 6-4,6-1 |
| ITF M25 - Edwardsville | 2023/07/28 00:00 | Cooper Williams v Quinn Vandecasteele | 3-6,4-6 |
| ITF M25 - Edwardsville | 2023/07/26 14:00 | Quinn Vandecasteele v Blu Baker | 6-4,5-7,7-6 |
| Challenger Cary | 2023/08/06 16:40 | Joseph Wayand v Nathan Ponwith | 4-6,2-6 |
| Challenger Lexington | 2023/08/01 18:40 | Nathan Ponwith v Aidan Mayo | 4-6,1-6 |
| Challenger Salinas | 2023/07/24 16:40 | Nathan Ponwith v Alexander Bernard | 2-6,5-7 |
| 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 |