Stadium: Centre Court Round: 25 Ground: Hardcourt outdoor
| Challenger Campinas | 2021/11/16 14:55 | Francisco Cerundolo v Gilbert S K Junior | 6-3,6-0 |
| Challenger Montevideo | 2021/11/07 15:00 | Gilbert S K Junior v Dario Acosta | 6-3,7-5 |
| ITF M25 Rio do Sul | 2021/10/21 14:50 | Gilbert S K Junior v Pedro Boscardin Dias | 6-2,3-6,2-6 |
| ITF M25 Rio do Sul | 2021/10/20 14:45 | Gilbert S K Junior v Mateo Barreiros Reyes | 3-6,6-1,6-2 |
| ITF M25 Lima | 2021/10/17 15:00 | Gilbert S K Junior v Daniel Dutra Da Silva | 7-6,6-3 |
| ITF M25 Lima | 2021/10/16 16:40 | Gilbert S K Junior v Jonathan Mridha | 6-4,6-3 |
| 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 17:00 | Antonio Cayetano March v Gilbert S K Junior | 3-6,3-6 |
| Challenger Brazília | 2021/11/22 13:00 | Alejandro Gomez v Jose Pereira | 6-2,6-3 |
| Challenger Brazília | 2021/11/21 13:00 | Alejandro Gomez v Lucas Kzam | 6-1,6-1 |
| Challenger Guayaquil | 2021/10/31 18:30 | Nicolas Barrientos v Alejandro Gomez | 7-6,6-4 |
| Challenger Bogota | 2021/10/21 17:00 | Facundo Mena v Alejandro Gomez | 6-3,6-1 |
| Challenger Bogota | 2021/10/19 15:00 | Alejandro Gomez v Jaroslav Pospisil | 6-3,3-6,7-5 |
| Challenger Ambato | 2021/09/22 16:40 | Alejandro Gomez v Juan Pablo Ficovich | 2-6,6-7 |
| Challenger Ambato | 2021/09/21 15:00 | Alejandro Gomez v Antonio Cayetano March | 6-3,6-4 |
| Challenger Ambato | 2021/09/20 16:55 | Alexis Gautier v Alejandro Gomez | 6-7,4-6 |