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 M15 Antalya | 2021/05/16 07:00 | Eduardo Ribeiro v Arvid Nordquist | 1-6,0-6 |
| ITF M15 Antalya | 2021/05/11 07:00 | Edoardo Eremin v Eduardo Ribeiro | 6-4,7-5 |
| ITF M15 Antalya | 2021/05/10 07:00 | Eduardo Ribeiro v Ignacio Carou | 3-6,7-5,10-4 |
| ITF M15 Antalya | 2021/05/09 07:00 | Credit Chaiyarin v Eduardo Ribeiro | 2-6,2-6 |
| ITF M15 Cairo | 2021/05/04 08:00 | Simon A Ivanov v Eduardo Ribeiro | 4-6,6-3,10-7 |
| ITF M15 Cairo | 2021/05/03 11:00 | Mohab Hamed v Eduardo Ribeiro | 3-6,0-6 |
| ITF M15 Cairo | 2021/05/02 10:00 | Bader Alabdullah v Eduardo Ribeiro | 1-6,3-6 |
| ITF M15 Cairo | 2021/04/27 08:00 | Yanais Laurent v Eduardo Ribeiro | 6-4,6-1 |
| UTR Pro Tennis Series Barcelona | 2021/06/24 08:30 | Kuzey Cekirge v Federico Zeballos | 1-6,6-4,7-5 |
| UTR Pro Tennis Series Barcelona | 2021/06/23 09:30 | Federico Zeballos v Jay Friend | 6-3,5-1 |
| UTR Pro Tennis Series Barcelona | 2021/06/22 12:30 | Federico Zeballos v Juan C Garcia Garcia | 6-3,5-4 |
| UTR Pro Tennis Series Barcelona | 2021/06/21 08:00 | Alejandro Garcia v Federico Zeballos | 3-6,5-7 |
| Challenger Prostejov | 2021/06/13 12:30 | Federico Zeballos v Skander Mansouri | 6-7,0-6 |
| Challenger Oeiras | 2021/05/24 10:00 | Filip Cristian Jianu v Federico Zeballos | 6-4,7-5 |
| Challenger Oeiras | 2021/05/23 10:00 | Federico Zeballos v Vladyslav Orlov | 1-6,6-0,7-6 |
| UTR Pro Tennis Series Florida | 2021/03/12 15:30 | Cristian C. Rodriguez Sanchez v Federico Zeballos | 7-6,1-6,6-6 |