Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| Challenger Fairfield | 2023/10/08 20:05 | Edward Winter v Nathan Ponwith | 6-2,6-2 |
| Challenger Tiburon | 2023/10/01 21:25 | Evan Zhu v Nathan Ponwith | 4-6,6-2,7-6 |
| Challenger Charleston | 2023/09/24 19:50 | Pedro Rodenas v Nathan Ponwith | 6-7,6-1,7-6 |
| Challenger Columbus | 2023/09/17 19:10 | Preston Stearns v Nathan Ponwith | 6-7,6-4,6-3 |
| Challenger Cary | 2023/09/11 17:00 | Nathan Ponwith v Garrett Johns | 6-7,2-6 |
| Challenger Cary | 2023/09/10 18:30 | Nathan Ponwith v Ozan Baris | 6-1,6-4 |
| Challenger Stanford | 2023/08/12 18:20 | Gage Brymer v Nathan Ponwith | 1-6,6-1,6-1 |
| Challenger Cary | 2023/08/07 16:00 | Quinn Vandecasteele v Nathan Ponwith | 6-4,6-2 |
| ITF M25 Las Vegas | 2023/10/17 13:00 | Jordan Hasson v Sebastian Dominko | 6-7,3-6 |
| ITF M25 Las Vegas | 2023/10/16 13:00 | Meecah Bigun v Sebastian Dominko | 3-6,4-6 |
| Challenger Todi | 2023/08/13 13:15 | Samuel Vincent Ruggeri v Sebastian Dominko | 6-3,6-1 |
| Challenger Cordenons | 2023/08/07 14:15 | Sebastian Dominko v Lorenzo Rottoli | 3-6,5-7 |
| Challenger Cordenons | 2023/08/07 09:00 | Julian Ocleppo v Sebastian Dominko | 3-6,2-6 |
| Challenger Liberec | 2023/07/30 14:10 | Sebastian Dominko v Denis Klok | 6-7,5-7 |
| ITF M25 Bacau | 2023/07/26 15:50 | Bogdan Pavel v Sebastian Dominko | 6-2,6-4 |
| Challenger Milan | 2023/07/02 10:35 | Sebastian Dominko v Remy Bertola | 4-6,1-6 |