Stadium: Quadra 3 Round: 14 Ground: Hardcourt outdoor
| Challenger Brasilia | 2021/11/22 13:00 | Luca Castelnuovo v Tomas Lipovsek Puches | 7-5,6-7,5-7 |
| Challenger Brasilia | 2021/11/21 14:35 | Gonzalo Villanueva v Luca Castelnuovo | 6-7,6-3,3-6 |
| ITF M15 Cundinamarca | 2021/11/16 19:25 | Mateo Gomez v Luca Castelnuovo | 1-6,6-2,7-5 |
| Challenger Lima | 2021/10/24 16:00 | Luca Castelnuovo v Alexandar Lazarov | 4-6,5-7 |
| Challenger Bogota | 2021/10/19 16:40 | Facundo Mena v Luca Castelnuovo | 6-4,6-2 |
| Challenger Bogota | 2021/10/18 17:35 | Evan King v Luca Castelnuovo | 6-7,7-5,6-7 |
| Challenger Bogota | 2021/10/17 18:10 | Luca Castelnuovo v Juan A H Serrano | 6-4,6-2 |
| ITF M25 Lima | 2021/10/12 15:00 | Gonzalo Villanueva v Luca Castelnuovo | 4-6,6-4,6-4 |
| ITF M25 Aparecida De Goiania | 2021/11/13 13:55 | Daniel Dutra Da Silva v Igor Marcondes | 5-7,7-5,6-2 |
| ITF M25 Aparecida De Goiania | 2021/11/12 15:35 | Igor Marcondes v Matias Zukas | 6-2,6-3 |
| ITF M25 Aparecida De Goiania | 2021/11/11 16:00 | Igor Marcondes v Valerio Aboian | 6-1,6-3 |
| ITF M25 Aparecida De Goiania | 2021/11/09 16:10 | Igor Marcondes v Gabriel Roveri Sidney | 6-0,6-2 |
| ITF M15 Brasilia | 2021/11/02 21:55 | Igor Marcondes v Eduardo Ribeiro | 5-7,4-6 |
| ITF M25 Rio do Sul | 2021/10/21 16:30 | Igor Marcondes v Gustavo Heide | 6-7,1-6 |
| ITF M25 Rio do Sul | 2021/10/19 14:30 | Igor Marcondes v Joao Pedro G. Dos Santos | 6-4,6-0 |
| ITF M25 Johannesburg | 2021/09/23 07:00 | Igor Marcondes v Kyle Seelig | 6-1,6-7,1-6 |