Stadium: Court 3 Round: 14 Ground: Clay
| Challenger Quito | 2021/09/16 15:00 | Pol Martin Tiffon v Alejandro Gonzalez | 4-6,7-6,6-3 |
| Challenger Quito | 2021/09/14 19:35 | Alejandro Gonzalez v Luca Castelnuovo | 6-2,7-6 |
| Challenger Mallorca | 2021/09/01 15:05 | Alejandro Gonzalez v Jan Zielinski | 7-6,6-7,4-6 |
| Challenger Mallorca | 2021/08/31 08:00 | Jan Zielinski v Alejandro Gonzalez | 1-6,2-6 |
| Challenger Mallorca | 2021/08/30 13:00 | Ruan Roelofse v Alejandro Gonzalez | 6-7,2-6 |
| ITF M25 Caslano | 2021/08/28 11:30 | Remy Bertola v Alejandro Gonzalez | 6-2,6-4 |
| ITF M25 Caslano | 2021/08/27 09:30 | Alejandro Gonzalez v Mateus Alves | 6-3,3-6,7-6 |
| ITF M25 Caslano | 2021/08/26 08:30 | Alejandro Gonzalez v Jakub Paul | 6-2,7-5 |
| Challenger Quito | 2021/09/13 15:00 | Alexis Gautier v Alejandro Mendoza | 6-1,6-0 |
| ITF M15 Ibague | 2021/09/10 18:30 | Alejandro Mendoza v Alejandro Gomez | 3-6,6-3,3-6 |
| ITF M15 Ibague | 2021/09/09 14:30 | Alejandro Mendoza v Enrique Pena | 6-2,6-2 |
| ITF M15 Ibague | 2021/09/08 17:00 | Alejandro Mendoza v Gustavo Tedesco | 6-1,6-3 |
| ITF M25 Oviedo | 2021/08/31 07:00 | Alejandro Mendoza v Nicolas Alvarez | 2-6,3-6 |
| ITF M25 Oviedo | 2021/08/30 08:00 | Alejandro Mendoza v Mario Mansilla Diez | 1-6,3-6 |
| ITF M25 Santander | 2021/08/23 09:00 | Alejandro Mendoza v Samuel M Arjona | 6-4,3-6,9-11 |
| ITF M25 Santander | 2021/08/22 09:00 | Alejandro Mendoza v Pablo Carretero | 6-1,6-4 |