Stadium: Centre Court Round: 25 Ground: Hardcourt outdoor
| Challenger Campinas | 2021/11/16 14:55 | Francisco Cerundolo v Soares Klier, Gilbert | 6-3,6-0 |
| Montevideo, Uruguay | 2021/11/07 15:00 | Soares Klier, Gilbert v Dario Acosta | 6-3,7-5 |
| ITF M25 Rio do Sul | 2021/10/21 14:50 | Soares Klier, Gilbert v Pedro Boscardin Dias | 6-2,3-6,2-6 |
| ITF M25 Rio do Sul | 2021/10/20 14:45 | Soares Klier, Gilbert v Mateo Barreiros Reyes | 3-6,6-1,6-2 |
| ITF M25 Lima | 2021/10/17 15:00 | Soares Klier, Gilbert v Daniel Dutra Da Silva | 7-6,6-3 |
| ITF M25 Lima | 2021/10/16 16:40 | Soares Klier, Gilbert v Jonathan Mridha | 6-4,6-3 |
| ITF M25 Lima | 2021/10/14 16:30 | Federico Zeballos v Soares Klier, Gilbert | 6-2,3-6,4-6 |
| ITF M25 Lima | 2021/10/12 17:00 | March, Antonio Cayetano v Soares Klier, Gilbert | 3-6,3-6 |
| Challenger Brasilia | 2021/11/22 13:00 | Gomez, Alejandro v Jose Pereira | 6-2,6-3 |
| Challenger Brasilia | 2021/11/21 13:00 | Gomez, Alejandro v Lucas Kzam | 6-1,6-1 |
| Challenger Guayaquil | 2021/10/31 18:30 | Barrientos, Nicolas v Gomez, Alejandro | 7-6,6-4 |
| Bogota, Colombia | 2021/10/21 17:00 | Facundo Mena v Gomez, Alejandro | 6-3,6-1 |
| Bogota, Colombia | 2021/10/19 15:00 | Gomez, Alejandro v Pospisil, Jaroslav | 6-3,3-6,7-5 |
| Ambato, Ecuador | 2021/09/22 16:40 | Gomez, Alejandro v Juan Pablo Ficovich | 2-6,6-7 |
| Ambato, Ecuador | 2021/09/21 15:00 | Gomez, Alejandro v March, Antonio Cayetano | 6-3,6-4 |
| Ambato, Ecuador | 2021/09/20 16:55 | Alexis Gautier v Gomez, Alejandro | 6-7,4-6 |