Stadium: Court 13 Round: 25 Ground: Hardcourt outdoor
| Challenger Charleston | 2022/09/25 15:25 | Christian Langmo v Donald Young | 5-7,0-6 |
| Challenger Cary | 2023/09/11 17:00 | Donald Young v Kiranpal Pannu | 6-4,6-1 |
| Challenger Cary | 2023/09/10 15:00 | Federico Agustin Gomez v Donald Young | 3-6,6-3,2-6 |
| UTR Pro Knoxville | 2023/09/01 14:00 | Donald Young v Angel Diaz Jalil | 7-5,4-6,3-6 |
| UTR Pro Knoxville | 2023/08/31 16:30 | Carter Pate v Donald Young | 0-6,4-6 |
| UTR Pro Knoxville | 2023/08/30 17:32 | Tomas Luis v Donald Young | 2-6,4-6 |
| UTR Pro Knoxville | 2023/08/29 15:00 | Sabi Roi v Donald Young | 4-6,2-6 |
| UTR Pro Knoxville | 2023/08/27 17:00 | Filip Apltauer v Donald Young | 6-7,4-6 |
| Challenger Cary | 2023/08/06 18:30 | Billy Harris v Donald Young | 6-4,6-4 |
| Challenger Cassis | 2023/09/05 11:55 | Maxime Janvier v Christian Langmo | 6-3,6-3 |
| Challenger Cassis | 2023/09/04 08:00 | Christian Langmo v Alexey Vatutin | 1-6,6-1,6-4 |
| Challenger Cassis | 2023/09/03 08:00 | Christian Langmo v Juan Carlos Aguilar | 6-2,6-4 |
| Challenger Mallorca | 2023/08/29 10:15 | Peter Gojowczyk v Christian Langmo | 7-6,6-1 |
| Challenger Mallorca | 2023/08/28 08:00 | Rafael Giotis v Christian Langmo | 3-6,6-7 |
| ITF M25 Idanha-A-Nova | 2023/08/25 08:00 | Christian Langmo v Dan Added | 2-6,6-7 |
| ITF M25 Idanha-A-Nova | 2023/08/24 11:20 | Christian Langmo v Tiago Silva | 3-6,7-6,6-4 |
| ITF M25 Idanha-A-Nova | 2023/08/22 09:45 | Christian Langmo v Lorenzo Claverie | 6-7,7-5,6-3 |