Stadium: Court N2 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Cancun | 2021/09/22 15:55 | Colin Markes v Christian Langmo | 6-7,6-4,2-6 |
| ITF M25 Austin | 2021/11/16 20:00 | Christian Langmo v Alfredo Perez | 6-2,6-4 |
| ITF M25 Harlingen | 2021/11/13 19:40 | Paul Jubb v Christian Langmo | 7-5,6-1 |
| ITF M25 Harlingen | 2021/11/12 15:50 | Christian Langmo v Toby Alex Kodat | 3-6,7-6,6-4 |
| ITF M25 Harlingen | 2021/11/11 15:55 | Christian Langmo v Tyler Zink | 6-3,7-6 |
| ITF M25 Harlingen | 2021/11/10 14:50 | Christian Langmo v Francis Casey Alcantara | 6-1,6-1 |
| ITF M15 Cancun | 2021/10/17 15:00 | Christian Langmo v Giles Hussey | 3-6,7-5,4-6 |
| ITF M15 Cancun | 2021/10/16 16:55 | Matias Franco Descotte v Christian Langmo | 6-7,2-6 |
| ITF M15 Cancun | 2021/10/15 17:15 | Alexander Bernard v Christian Langmo | 4-6,7-5,4-6 |
| ITF M25 Austin | 2021/11/16 17:00 | Colin Markes v Tomas Pinho | 6-0,6-3 |
| ITF M25 Harlingen | 2021/11/09 15:00 | Colin Markes v Francis Casey Alcantara | 4-6,7-6,11-13 |
| ITF M15 Cancun | 2021/09/29 17:35 | Alfredo Perez v Colin Markes | 6-2,7-5 |
| ITF M15 Cancun | 2021/09/28 14:00 | Gabriel Roveri Sidney v Colin Markes | 1-6,4-6 |
| ITF M15 Cancun | 2021/09/27 14:30 | Colin Markes v Austin Ansari | 4-6,4-6 |
| ITF M15 Cancun | 2021/09/26 17:00 | Diego Bustamante v Colin Markes | 1-6,0-6 |
| ITF M15 Cancun | 2021/09/22 15:55 | Colin Markes v Christian Langmo | 6-7,6-4,2-6 |
| ITF M15 Cancun | 2021/09/21 14:00 | Colin Markes v Nikolas Moceanu | 6-3,6-2 |