Stadium: Court 12 Round: 26 Ground: Clay
| ITF M25 Lima | 2021/10/06 18:10 | Federico Zeballos v Joao M Nusdeo | 6-0,4-6,6-2 |
| ITF M25 Lima | 2021/10/04 17:30 | Federico Zeballos v Ignacio A B Otarola | 6-0,6-1 |
| Challenger Lima | 2021/09/27 15:00 | Nicolas Barrientos v Federico Zeballos | 7-5,6-1 |
| Challenger Lima | 2021/09/26 17:30 | Federico Zeballos v Evan King | 4-6,6-2,6-3 |
| ITF M25 Oviedo | 2021/08/31 10:00 | Johan Nikles v Federico Zeballos | 7-6,6-2 |
| UTR Pro Tennis Series Barcelona | 2021/08/15 08:00 | Olexiy Kolisnyk v Federico Zeballos | 2-6,6-2,6-4 |
| UTR Pro Tennis Series Barcelona | 2021/08/14 06:30 | Federico Zeballos v Oleksandr Bielinskyi | 6-0,6-3 |
| UTR Pro Tennis Series Barcelona | 2021/08/13 08:00 | Bruno P Navarro v Federico Zeballos | 1-5 |
| ITF M25 Lima | 2021/10/06 18:55 | Wilson Leite v Gonzalo Villanueva | 6-3,6-4 |
| ITF M15 Recife | 2021/09/24 14:00 | Pedro Boscardin Dias v Wilson Leite | 7-6,7-6 |
| ITF M15 Recife | 2021/09/21 16:10 | Pedro Gabriel Rodrigues v Wilson Leite | 3-6,2-6 |
| ITF M25 Ricany | 2021/08/31 12:40 | Kaichi Uchida v Wilson Leite | 6-4,6-2 |
| ITF M25 Poznan | 2021/08/25 12:55 | Wilson Leite v Sebastian Gima | 4-6,6-3,3-6 |
| ITF M15 Lodz | 2021/08/21 10:30 | Wilson Leite v Yann Wojcik | 6-2,4-6,3-6 |
| ITF M15 Lodz | 2021/08/20 08:00 | Igor Marcondes v Wilson Leite | 2-6,1-6 |
| ITF M15 Lodz | 2021/08/17 08:00 | Robert Strombachs v Wilson Leite | 5-7,4-6 |