Stadium: Quadra Central Round: 19 Ground: Clay
| Challenger Helsinki | 2021/11/14 13:15 | Kyrian Jacquet v Diego Hidalgo | 6-3,3-6,6-1 |
| Challenger Guayaquil | 2021/11/02 22:00 | Nicolas Alvarez Varona v Diego Hidalgo | 2-6,6-4,6-3 |
| Challenger Lima | 2021/10/24 21:10 | Jaroslav Pospisil v Diego Hidalgo | 4-6,6-3,6-3 |
| Challenger Santiago | 2021/10/12 14:00 | Dalibor Svrcina v Diego Hidalgo | 6-2,6-0 |
| Challenger Santiago | 2021/10/11 14:00 | Diego Hidalgo v Mathieu Perchicot | 2-6,6-3,6-4 |
| Challenger Santiago Qual | 2021/10/10 14:20 | Shintaro Mochizuki v Diego Hidalgo | 0-6,3-6 |
| Challenger Santiago | 2021/10/03 17:25 | Facundo Diaz Acosta v Diego Hidalgo | 6-3,7-6 |
| Challenger Ambato | 2021/09/22 15:00 | Diego Hidalgo v Facundo Mena | 4-6,3-6 |
| Challenger Blumenau | 2022/01/09 13:30 | Bruno Fernandez v Eduardo Ribeiro | 1-6,3-6 |
| Challenger Rio De Janeiro | 2021/12/13 17:00 | Eduardo Ribeiro v Jose Pereira | 1-6,4-6 |
| Challenger Rio De Janeiro | 2021/12/12 15:00 | Joao Lucas Reis da Silva v Eduardo Ribeiro | 4-6,4-6 |
| Challenger Florianopolis | 2021/12/05 15:45 | Eduardo Ribeiro v Igor Marcondes | 2-6,1-6 |
| Challenger Sao Paulo | 2021/11/29 13:00 | Matias Zukas v Eduardo Ribeiro | 7-5,6-3 |
| Challenger Sao Paulo | 2021/11/28 13:00 | Eduardo Ribeiro v Federico Zeballos | 6-4,7-6 |
| ITF M25 Aparecida De Goiania | 2021/11/11 13:30 | Eduardo Ribeiro v Joao Lucas Reis da Silva | 2-6,6-4,3-6 |
| ITF M25 Aparecida De Goiania | 2021/11/09 13:35 | Victor Tosetto v Eduardo Ribeiro | 4-6,6-3,6-7 |