| UTR Pro Tennis Series Barcelona | 2021/06/23 09:30 | Federico Zeballos v Jay Friend | 6-3,5-1 |
| UTR Pro Tennis Series Barcelona | 2021/06/25 09:30 | Jay Friend v Adria Soriano Barrera | 3-6,6-2,2-5 |
| 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 | Alejandro Garcia v Jay Friend | 4-6,6-0,3-6 |
| UTR Pro Tennis Series Barcelona | 2021/06/21 08:00 | Juan C Garcia Garcia v Jay Friend | 5-7,2-5 |
| Challenger Segovia | 2021/07/25 09:00 | Federico Zeballos v Alexander Cozbinov | 1-6,1-6 |
| Challenger Pozoblanco | 2021/07/23 20:20 | Federico Zeballos v Gregoire Barrere | 4-6,3-6 |
| Challenger Pozoblanco | 2021/07/21 15:00 | Federico Zeballos v Filip Cristian Jianu | 7-6,6-4 |
| Challenger Pozoblanco | 2021/07/20 15:00 | Borna Gojo v Federico Zeballos | 4-6,6-7 |
| Challenger Pozoblanco | 2021/07/19 15:00 | Matteo Martineau v Federico Zeballos | 6-2,6-3 |
| Challenger Todi | 2021/07/12 13:00 | Matheus Pucinelli De Almeida v Federico Zeballos | 6-1,6-3 |
| Challenger Todi | 2021/07/11 08:00 | Alessio De Bernardis v Federico Zeballos | 5-7,1-6 |
| UTR Pro Tennis Series Barcelona | 2021/06/24 08:30 | Kuzey Cekirge v Federico Zeballos | 1-6,6-4,7-5 |