Stadium: Center Court Round: 19 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/03/26 08:30 | Christian Langmo v Colin Sinclair | 6-4,3-6,2-6 |
| Challenger Noumea | 2024/01/03 09:40 | Colin Sinclair v Benoit Paire | 6-4,2-6,2-6 |
| Challenger Noumea | 2024/01/02 02:40 | Rubin Statham v Colin Sinclair | 7-6,4-6,4-6 |
| Challenger Yokkaichi | 2023/11/26 04:35 | Colin Sinclair v Ray Ho | 3-6,5-7 |
| Challenger Yokohama | 2023/11/21 03:45 | Colin Sinclair v Mathys Erhard | 3-6,2-6 |
| Challenger Yokohama | 2023/11/20 03:30 | Giovanni Fonio v Colin Sinclair | 3-6,7-5,6-7 |
| Challenger Yokohama | 2023/11/19 07:55 | Nathan Ponwith v Colin Sinclair | 3-6,6-7 |
| Challenger Kobe | 2023/11/12 01:00 | James Trotter v Colin Sinclair | 6-4,7-5 |
| Challenger Sydney | 2023/10/30 04:05 | Colin Sinclair v Marc Polmans | 4-6,2-6 |
| ITF M15 Vero Beach | 2024/04/24 17:25 | Christian Langmo v Dian Nedev | 4-6,7-6,4-6 |
| Challenger Acapulco | 2024/04/16 00:05 | Christian Langmo v Karue Sell | 4-6,4-6 |
| Challenger Acapulco | 2024/04/15 01:10 | Christian Langmo v Alex Hernandez | 4-6,7-6,6-1 |
| Challenger Morelos | 2024/04/11 18:00 | Beibit Zhukayev v Christian Langmo | 6-3,7-6 |
| Challenger Morelos | 2024/04/09 18:35 | Christian Langmo v Alex Hernandez | 6-4,6-4 |
| Challenger Mexico City | 2024/03/31 22:00 | Niki Kaliyanda Poonacha v Christian Langmo | 4-6,6-3,6-4 |
| Challenger San Luis Potosi | 2024/03/26 17:50 | Aidan Mayo v Christian Langmo | 5-7,6-4,6-3 |
| Challenger San Luis Potosi | 2024/03/25 18:10 | Christian Langmo v Gabi Adrian Boitan | 5-7,6-3,7-5 |