Stadium: Kennedy-Grossman Round: 25 Ground: Hardcourt outdoor
| ITF M15 Cancun | 2021/10/02 19:50 | Strong Kirchheimer v Christian Langmo | 4-6,4-6 |
| ITF M15 Edwardsville | 2021/07/24 13:50 | Christian Langmo v Strong Kirchheimer | 4-6,4-6 |
| Challenger Tiburon | 2023/10/01 17:00 | Christian Langmo v Nishesh Basavareddy | 3-6,4-6 |
| Challenger Charleston | 2023/09/24 14:00 | Christian Langmo v Darian King | 6-4,6-7,6-7 |
| 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 Fairfield | 2023/10/09 19:15 | Strong Kirchheimer v Ethan Quinn | 7-6,7-5 |
| Challenger Fairfield | 2023/10/08 22:20 | Strong Kirchheimer v Evan Burnett | 6-2,6-2 |
| Challenger Tiburon | 2023/10/01 20:25 | Alfredo Perez v Strong Kirchheimer | 6-3,6-3 |
| Challenger Charleston | 2023/09/28 15:55 | Strong Kirchheimer v Stefan Dostanic | 6-7,3-6 |
| Challenger Charleston | 2023/09/25 15:30 | Strong Kirchheimer v Elmer Moller | 6-1,6-3 |
| Challenger Charleston | 2023/09/24 15:30 | Strong Kirchheimer v Carter Pate | 6-0,6-1 |
| Challenger Columbus | 2023/09/19 17:45 | Strong Kirchheimer v Denis Kudla | 2-6,4-6 |
| Challenger Columbus | 2023/09/18 20:55 | Strong Kirchheimer v Alfredo Perez | 6-4,6-3 |