Stadium: Quadra Central Round: 14 Ground: Hardcourt outdoor
| ITF Ecuador F1 | 2016/10/12 17:55 | Eduardo Ribeiro v Federico Zeballos | 5-7,6-7 |
| ITF M25 Aparecida De Goiania | 2021/11/11 13:30 | Eduardo Ribeiro v Joao Lucas Reis da Silva | 2-6,6-4,3-6 |
| ITF M25 Aparecida De Goiania | 2021/11/09 13:35 | Victor Tosetto v Eduardo Ribeiro | 4-6,6-3,6-7 |
| ITF M15 Brasilia | 2021/11/05 15:25 | Eduardo Ribeiro v Gustavo Heide | 3-6,4-6 |
| ITF M15 Brasilia | 2021/11/04 13:00 | Eduardo Ribeiro v Gabriel P Tumasonis | 6-2,6-1 |
| 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 15:05 | Facundo Juarez v Eduardo Ribeiro | 6-7,6-3,7-6 |
| ITF M25 Rio do Sul | 2021/10/20 18:05 | Pedro Gabriel Rodrigues v Eduardo Ribeiro | 0-6,2-6 |
| ITF M15 Recife | 2021/09/25 14:00 | Eduardo Ribeiro v Gustavo Heide | 5-7,4-6 |
| 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 |
| ITF M25 Lima | 2021/10/06 18:10 | Federico Zeballos v Joao M Nusdeo | 6-0,4-6,6-2 |