Stadium: Court 17 Round: 54 Ground: Clay
| ITF - M15 Brasilia | 2021/11/01 14:30 | Caio Gruber v Luis Rodrigues Batista | 6-7,4-6 |
| ITF - M25 Rio do Sul | 2021/10/20 16:30 | Nicolas Zanellato v Caio Gruber | 6-2,6-1 |
| ITF - M25 Rio do Sul | 2021/10/18 17:35 | Caio Gruber v Gustavo Tedesco | 6-3,6-3 |
| ITF - M15 Recife | 2021/09/23 22:00 | Jose Pereira v Caio Gruber | 6-1,6-1 |
| ITF - M15 Recife | 2021/09/22 13:00 | Caio Gruber v Andre Miele | 6-4,6-4 |
| ITF - M25 Medellin | 2021/09/15 18:15 | Nicolas Buitrago v Caio Gruber | 6-3,6-4 |
| ITF - M25 Medellin | 2021/09/13 20:00 | Marcelo Marino Hidalgo v Caio Gruber | 5-7,2-6 |
| ITF - M15 Ibague | 2021/09/07 14:00 | Gustavo Tedesco v Caio Gruber | 4-6,6-4,10-5 |
| ITF - M25 Rio do Sul | 2021/10/17 12:00 | Joao Pedro G. Dos Santos v Victor Bini | 6-0,6-2 |
| ITF - M25 Sintra | 2021/09/12 10:30 | Iago D Alvarez v Victor Bini | 6-7,6-2,10-8 |
| ITF - M25 Santander | 2021/08/22 09:00 | Miguel Damas v Victor Bini | 6-1,3-6,10-7 |
| ITF - M15 Xativa | 2021/08/01 13:00 | Albert Roglan v Victor Bini | 6-2,6-2 |
| ITF - M15 Castelo Branco | 2021/07/25 08:30 | Sahar Simon v Victor Bini | 6-3,6-4 |
| ITF - M25 Idanha-A-Nova | 2021/07/18 14:30 | Victor Bini v Alejandro Moro Canas | 2-6,2-6 |
| ITF - M25 Idanha-A-Nova | 2021/07/12 15:30 | Garrett Johns v Victor Bini | 6-4,6-1 |
| ITF - M25 Idanha-A-Nova | 2021/07/11 15:30 | Victor Bini v Hillel Rousseau | 6-3,6-2 |