Stadium: Cancha 1 Round: 14 Ground: Clay
| ITF Egypt F26 | 2016/09/28 13:00 | Alexander Merino v Alejandro Mendoza | 6-2,6-3 |
| Challenger Concepcion | 2022/01/17 15:00 | Daniel Elahi Galan v Alexander Merino | 6-0,6-1 |
| Challenger Blumenau | 2022/01/09 16:40 | Alexander Merino v Conner Huertas Del Pino | 1-6,0-6 |
| Challenger Brasilia | 2021/11/21 13:00 | Alexander Merino v Jose Pereira | 1-6,2-6 |
| Challenger Ambato | 2021/09/19 19:00 | Alexis Gautier v Alexander Merino | 6-3,6-1 |
| Challenger Sevilla | 2021/09/05 09:00 | Alexander Merino v Benjamin Winter Lopez | 4-6,1-6 |
| ITF M25 - Lima | 2020/02/10 15:00 | Matias Zukas v Alexander Merino | 6-4,6-2 |
| ITF M15 - Tabarka | 2019/07/01 13:00 | Davide Pontoglio v Alexander Merino | 6-0,3-6,10-1 |
| ITF M15 - Tabarka | 2019/07/01 08:00 | Egill Sigurdsson v Alexander Merino | 2-6,6-4,8-10 |
| ITF M15 - Cancun | 2021/11/30 16:00 | Alex Hernandez v Alejandro Mendoza | 6-4,7-6 |
| ITF M15 - Guatemala | 2021/11/26 15:30 | Alejandro Mendoza v Colin Sinclair | 3-6,7-6,2-6 |
| ITF M15 - Guatemala | 2021/11/25 15:30 | Alejandro Mendoza v Herbert Jody Maginley | 6-1,6-4 |
| ITF M15 - Guatemala | 2021/11/24 15:30 | Alejandro Mendoza v Lorenzo Claverie | 4-6,6-3,6-4 |
| ITF M15 - Cochabamba | 2021/11/16 19:05 | Alejandro Mendoza v Luis Molina | 6-7,4-6 |
| ITF M15 - Cancun | 2021/10/20 19:00 | Alejandro Mendoza v Emil Reinberg | 0-6,2-6 |
| ITF M15 - Cancun | 2021/10/15 17:00 | Giles Hussey v Alejandro Mendoza | 6-3,6-1 |
| ITF M15 - Cancun | 2021/10/13 20:10 | Alejandro H Franco v Alejandro Mendoza | 6-4,5-7,0-6 |