Stadium: Quadra 2 Round: 27 Ground: Clay
| Challenger Sao Paulo | 2021/12/02 17:00 | Thiago Seyboth Wild v Facundo Diaz Acosta | 3-6,5-7 |
| Challenger Sao Paulo | 2021/11/30 16:55 | Facundo Diaz Acosta v Gonzalo Villanueva | 7-5,6-1 |
| Challenger Brasilia | 2021/11/23 20:50 | Thiago Seyboth Wild v Facundo Diaz Acosta | 7-6,6-3 |
| Challenger Campinas | 2021/11/14 16:00 | Facundo Diaz Acosta v Joao Lucas Reis da Silva | 4-6,6-7 |
| Challenger Guayaquil | 2021/11/02 15:00 | Facundo Juarez v Facundo Diaz Acosta | 3-6,6-4,6-4 |
| Challenger Buenos Aires | 2021/10/18 17:35 | Hugo Dellien v Facundo Diaz Acosta | 4-6,6-0,6-1 |
| Challenger Santiago | 2021/10/12 16:00 | Facundo Diaz Acosta v Francisco Cerundolo | 4-6,0-6 |
| Challenger Santiago | 2021/10/07 18:00 | Nicolas Jarry v Facundo Diaz Acosta | 6-7,7-5,6-4 |
| Challenger Sao Paulo | 2021/12/02 15:30 | Luciano Darderi v Nicolas Alvarez Varona | 6-4,6-1 |
| Challenger Sao Paulo | 2021/11/30 18:00 | Mateus Alves v Luciano Darderi | 1-6,1-6 |
| Challenger Sao Paulo | 2021/11/29 13:00 | Luciano Darderi v Martin Cuevas | 6-3,3-6,6-4 |
| Challenger Sao Paulo | 2021/11/28 17:15 | Luciano Darderi v Rafael Matos | 6-3,6-3 |
| Challenger Brasilia | 2021/11/23 13:00 | Federico Coria v Luciano Darderi | 6-3,7-6 |
| Challenger Brasilia | 2021/11/22 14:25 | Luciano Darderi v Rafael Matos | 7-6,2-6,6-3 |
| Challenger Brasilia | 2021/11/21 14:35 | Luciano Darderi v Paulo A S Dos Santos | 6-2,6-3 |
| Challenger Montevideo | 2021/11/09 16:00 | Camilo Ugo Carabelli v Luciano Darderi | 3-6,6-3,6-4 |