Stadium: Court 9 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Cancun | 2021/09/21 14:00 | Seita Watanabe v Leonardo Civita-Telles | 3-6,6-4,5-7 |
| ITF M25 Sintra | 2021/09/07 08:30 | Francisco Cabral v Leonardo Civita-Telles | 6-3,6-4 |
| ITF M25 Sintra | 2021/09/06 10:35 | Jaime Faria v Leonardo Civita-Telles | 1-6,2-6 |
| ITF M15 Almada | 2021/07/04 10:30 | Leonardo Civita-Telles v Tomas Pinho | 4-6,3-6 |
| ITF M15 Monastir | 2021/03/24 08:30 | Leonardo Civita-Telles v Hazem Naw | 6-4,3-6,5-7 |
| ITF M15 Monastir | 2021/03/22 15:45 | Igor Marcondes v Leonardo Civita-Telles | 4-6,4-6 |
| ITF M15 Monastir | 2021/03/22 10:30 | Edoardo Zanada v Leonardo Civita-Telles | 2-6,4-6 |
| ITF M15 Monastir | 2021/03/21 17:00 | Antonio Campo v Leonardo Civita-Telles | 4-6,6-1,9-11 |
| 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 M25 Lesa | 2021/08/26 12:15 | Christian Langmo v Facundo Arias Bisso | 6-2,6-2 |
| ITF M25 Lesa | 2021/08/25 13:45 | Simone Camposeo v Christian Langmo | 3-6,0-6 |