Stadium: Court 2 Round: 14 Ground: Hardcourt outdoor
| Challenger Cary | 2023/09/14 19:00 | Rinky Hijikata v Christian Langmo | 6-4,4-6,6-3 |
| Challenger Cary | 2023/09/13 17:00 | Donald Young v Christian Langmo | 5-7,4-6 |
| 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 |
| Davis Cup | 2023/09/15 14:35 | Olaf Pieczkowski v Darian King | 1-6,7-6,6-3 |
| ATP Winston-Salem | 2023/08/21 22:15 | Michael Mmoh v Darian King | 6-2,3-6,6-3 |
| ATP Winston-Salem | 2023/08/20 17:00 | Strong Kirchheimer v Darian King | 6-2,4-6,6-7 |
| ATP Winston-Salem | 2023/08/19 16:35 | Darian King v Ulises Blanch | 2-6,6-4,6-3 |
| Challenger Winnipeg | 2023/08/17 18:45 | Darian King v Ryan Peniston | 0-6,1-6 |
| Challenger Winnipeg | 2023/08/16 17:00 | Benjamin Bonzi v Darian King | 3-6,1-6 |
| Challenger Winnipeg | 2023/08/15 16:00 | Darian King v Brayden Schnur | 6-2,6-1 |
| Challenger Winnipeg | 2023/08/14 18:50 | Matija Pecotic v Darian King | 3-6,4-6 |