Stadium: Court 12 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Cancun | 2021/09/29 15:45 | Christian Langmo v Luis Britto | 6-4,6-4 |
| ITF M15 Cancun | 2021/09/23 21:20 | Leonardo Civita-Telles v Christian Langmo | 6-7,6-3,6-3 |
| ITF M15 Cancun | 2021/09/22 15:55 | Colin Markes v Christian Langmo | 6-7,6-4,2-6 |
| Challenger Quito | 2021/09/14 16:50 | Mario Vilella Martinez v Christian Langmo | 6-3,6-7,6-2 |
| Challenger Quito | 2021/09/13 15:00 | Christian Langmo v Jorge Ruiz | 6-2,6-2 |
| ITF M25 Sintra | 2021/09/08 09:00 | Christian Langmo v Shintaro Imai | 5-7,6-2,6-7 |
| ITF M25 Sierre | 2021/08/31 12:20 | Christian Langmo v Valentin Vacherot | 6-7,4-6 |
| ITF M25 Lesa | 2021/08/27 12:55 | Matias Franco Descotte v Christian Langmo | 6-3,6-4 |
| ITF M15 Cancun | 2021/09/28 17:00 | Alejandro Mendoza v Seita Watanabe | 6-7,0-6 |
| ITF M15 Cancun | 2021/09/21 14:00 | Seita Watanabe v Leonardo Civita-Telles | 3-6,6-4,5-7 |
| ITF M15 Cairo | 2021/09/09 08:00 | Seita Watanabe v Maxime Mora | 5-7,2-6 |
| ITF M15 Cairo | 2021/09/08 08:00 | Seita Watanabe v Elbert Barr | 6-0,6-0 |
| ITF M15 Cairo | 2021/09/01 09:50 | Fares Zakaria v Seita Watanabe | 6-2,7-6 |
| ITF M15 Monastir | 2021/08/24 07:30 | Seita Watanabe v Kai Lemstra | 1-6,1-6 |
| ITF M15 Monastir | 2021/08/23 09:00 | Seita Watanabe v Samir Hamza Reguig | 6-0,6-0 |
| ITF M15 Monastir | 2021/08/22 11:00 | Seita Watanabe v Danila Moroz | 6-0,6-0 |