Stadium: Center Court Round: 26 Ground: Clay
| Challenger Ambato MD | 2021/09/23 21:20 | Gomez/Tirante v Arias/Zeballos | 6-3,6-3 |
| Challenger Ambato MD | 2021/09/23 17:05 | Gomez/Quiroz v Arias/Zeballos | 6-4,6-7,7-10 |
| Davis Cup | 2021/09/19 15:00 | Arias/Zeballos v Gille/Vliegen | 3-6,4-6 |
| Challenger Salinas 2 MD | 2021/04/27 16:00 | Arias/Zeballos v Barrientos/Galdos | 3-6,1-6 |
| Challenger Salinas MD | 2021/04/22 15:00 | Reyes-Varela/Romboli v Arias/Zeballos | 6-4,5-7,10-5 |
| Challenger Salinas MD | 2021/04/20 19:05 | Juan Diego Rojas/Suarez v Arias/Zeballos | 1-6,2-6 |
| Challenger Santiago MD | 2021/03/18 18:00 | Martinez/Oliveira v Arias/Zeballos | 6-4,6-3 |
| Challenger Santiago MD | 2021/03/17 16:00 | Arias/Zeballos v Carvajal/Torres | 6-2,6-4 |