Stadium: Quadra Central Round: 27 Ground: Clay
| Challenger Rio De Janeiro | 2021/12/16 20:00 | Alejandro Gomez v Gabriel Decamps | 6-3,4-6,1-6 |
| Challenger Rio De Janeiro | 2021/12/15 13:00 | Gabriel Decamps v Nicolas Barrientos | 6-1,6-4 |
| ITF M15 Monastir | 2021/11/28 09:00 | Guy Den Ouden v Gabriel Decamps | 6-3,6-4 |
| ITF M15 Monastir | 2021/11/27 10:30 | Maks Kasnikowski v Gabriel Decamps | 6-1,3-6,0-6 |
| ITF M15 Monastir | 2021/11/26 09:30 | Gabriel Decamps v Adria Soriano Barrera | 6-2,6-2 |
| ITF M15 Monastir | 2021/11/23 09:00 | Gabriel Decamps v Mehdi Sadaoui | 6-1,6-1 |
| ITF M15 Monastir | 2021/11/20 08:30 | Moerani Bouzige v Gabriel Decamps | 7-5,6-2 |
| ITF M15 Monastir | 2021/11/19 11:30 | Gabriel Decamps v Maks Kasnikowski | 7-6,6-2 |
| Challenger Rio De Janeiro | 2021/12/14 17:35 | Daniel Dutra Da Silva v Orlando Luz | 7-6,6-4 |
| Challenger Florianopolis | 2021/12/10 13:00 | Juan Ignacio Londero v Daniel Dutra Da Silva | 6-4,6-3 |
| Challenger Florianopolis | 2021/12/09 14:55 | Daniel Dutra Da Silva v Nicolas Kicker | 2-6,7-5,6-4 |
| Challenger Florianopolis | 2021/12/07 16:40 | Daniel Dutra Da Silva v Wilson Leite | 6-3,6-4 |
| Challenger Sao Paulo | 2021/12/01 12:30 | Daniel Dutra Da Silva v Hugo Dellien | 6-4,1-6,3-6 |
| Challenger Sao Paulo | 2021/11/29 17:50 | Orlando Luz v Daniel Dutra Da Silva | 3-6,6-7 |
| ITF M25 Aparecida De Goiania | 2021/11/14 16:00 | Oscar Jose Gutierrez v Daniel Dutra Da Silva | 6-0,6-4 |
| ITF M25 Aparecida De Goiania | 2021/11/13 13:55 | Daniel Dutra Da Silva v Igor Marcondes | 5-7,7-5,6-2 |