Stadium: Quadra 3 Round: 14 Ground: Clay
| 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 |
| Challenger - Sao Paulo | 2021/11/28 13:00 | Eduardo Ribeiro v Federico Zeballos | 6-4,7-6 |
| Challenger - Brasilia | 2021/11/22 13:00 | Bogdan Bobrov v Federico Zeballos | 6-3,6-3 |
| Challenger - Brasilia | 2021/11/21 13:00 | Joao Vieira v Federico Zeballos | 0-6,3-6 |
| Challenger - Guayaquil | 2021/10/31 16:00 | Nicolas Alvarez v Federico Zeballos | 6-1,6-0 |
| Challenger - Buenos Aires | 2021/10/17 17:15 | Guido Ivan Justo v Federico Zeballos | 6-2,6-1 |
| ITF - M25 Lima | 2021/10/14 16:30 | Federico Zeballos v Gilbert S K Junior | 6-2,3-6,4-6 |
| ITF - M25 Lima | 2021/10/12 18:00 | Federico Zeballos v Enrique Bogo | 6-1,6-1 |
| ITF - M25 Lima | 2021/10/07 14:45 | Federico Zeballos v Wilson Leite | 2-6,6-2,6-7 |