Stadium: Cancha 3 Round: 26 Ground: Clay
| 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 |
| 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 |
| ITF M25 - Lima | 2021/10/12 17:00 | Antonio Cayetano March v Gilbert S K Junior | 3-6,3-6 |
| Challenger - Santiago | 2021/10/03 19:50 | Gilbert S K Junior v Carlos Gomez-Herrera | 6-3,2-6,3-6 |
| ITF M25 - Medellin | 2021/09/19 15:00 | Gilbert S K Junior v Joao Lucas Reis da Silva | 6-2,6-2 |
| ITF M25 - Medellin | 2021/09/18 14:50 | Pedro Sakamoto v Gilbert S K Junior | 3-6,6-7 |
| ITF M25 - Medellin | 2021/09/17 15:00 | Gilbert S K Junior v Alan Kohen | 6-2,4-6,6-1 |
| ITF M25 - Medellin | 2021/09/16 15:00 | Gilbert S K Junior v Mateo Gomez | 6-3,6-3 |
| ITF M25 - Medellin | 2021/09/14 18:05 | Gilbert S K Junior v Enrique Bogo | 6-1,6-2 |
| ITF M25 - Poznan | 2021/08/25 10:00 | Harry Wendelken v Gilbert S K Junior | 3-6,6-4,6-2 |