Stadium: Quadra 3 Round: 25 Ground: Clay
| ITF - Aparecida De Goiania M25 | 2021/11/12 15:35 | Igor Marcondes v Matias Zukas | 6-2,6-3 |
| 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 | Matias Zukas v Ryan A Dos Santos | 6-2,6-1 |
| ITF - Cochabamba M15 | 2021/11/20 15:50 | Matias Zukas v Tomas Farjat | 6-3,4-6,4-6 |
| ITF - Cochabamba M15 | 2021/11/19 20:50 | Matias Zukas v Dali Blanch | 6-2,6-0 |
| ITF - Cochabamba M15 | 2021/11/18 19:15 | Matias Zukas v Lautaro Agustin Falabella | 6-1,6-2 |
| ITF - Cochabamba M15 | 2021/11/17 18:00 | Matias Zukas v Andres Chavez | 6-0,6-2 |
| ITF - Aparecida De Goiania M25 | 2021/11/12 15:35 | Igor Marcondes v Matias Zukas | 6-2,6-3 |
| ITF - Aparecida De Goiania M25 | 2021/11/11 16:00 | Nicolas Zanellato v Matias Zukas | 1-6,6-3,4-6 |
| Challenger Sao Paulo | 2021/11/29 15:25 | Enrique Bogo v Igor Marcondes | 1-6,6-3,1-6 |
| ITF - Aparecida De Goiania M25 | 2021/11/13 13:55 | Daniel Dutra Da Silva v Igor Marcondes | 5-7,7-5,6-2 |
| ITF - Aparecida De Goiania M25 | 2021/11/12 15:35 | Igor Marcondes v Matias Zukas | 6-2,6-3 |
| ITF - Aparecida De Goiania M25 | 2021/11/11 16:00 | Igor Marcondes v Valerio Aboian | 6-1,6-3 |
| ITF - Aparecida De Goiania M25 | 2021/11/09 16:10 | Igor Marcondes v Gabriel Roveri Sidney | 6-0,6-2 |
| ITF - Brasilia M15 | 2021/11/02 21:55 | Igor Marcondes v Eduardo Ribeiro | 5-7,4-6 |
| ITF - Rio do Sul M25 | 2021/10/21 16:30 | Igor Marcondes v Gustavo Heide | 6-7,1-6 |
| ITF - Rio do Sul M25 | 2021/10/19 14:30 | Igor Marcondes v Joao Pedro G. Dos Santos | 6-4,6-0 |