Estádio: Court 1 Round: 25 Ground: Clay
| ITF - M25 Lima | 2020/02/12 19:40 | Nicolas Alvarez v Alejandro Mendoza | 6-2,7-6 |
| ITF - Colômbia F3 - Qualificação | 2017/07/30 15:00 | Alejandro Mendoza v Nicolas Alvarez | 6-2,7-6 |
| 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 |
| Barcelona - UTR Pro Tennis Series - Feminino | 2021/08/15 06:30 | Xavier Gabarro v Alejandro Mendoza | 2-6,2-4 |
| Barcelona - UTR Pro Tennis Series - Feminino | 2021/08/14 09:30 | Alejandro Mendoza v Kuzey Cekirge | 6-2,6-1 |
| Barcelona - UTR Pro Tennis Series - Feminino | 2021/08/13 08:00 | Alejandro Mendoza v Nicolas Bianchi | 6-4,6-3 |
| Barcelona - UTR Pro Tennis Series - Feminino | 2021/08/07 15:00 | Nicolas Bianchi v Alejandro Mendoza | 6-3,6-1 |
| Barcelona - UTR Pro Tennis Series - Feminino | 2021/08/06 08:30 | Jordi Munoz-Abreu v Alejandro Mendoza | 4-6,3-6 |
| Challenger - Barletta | 2021/08/27 12:40 | Thiago Agustin Tirante v Nicolas Alvarez | 6-2,6-2 |
| Challenger - Barletta | 2021/08/25 11:00 | Roberto Quiroz v Nicolas Alvarez | 5-7,4-6 |
| Challenger - Barletta | 2021/08/24 10:55 | Nicolas Alvarez v Riccardo Bonadio | 4-6,7-6,7-5 |
| Challenger - Barletta | 2021/08/23 09:00 | Nicolas Alvarez v Yan Bondarevskiy | 6-2,3-6,7-6 |
| Challenger - Barletta | 2021/08/22 10:00 | Nicolas Alvarez v Marco Bortolotti | 6-4,5-7,6-2 |
| Challenger - Verona | 2021/08/15 11:10 | Nicolas Alvarez v Matheus P De Almeida | 2-6,1-6 |
| ITF - M25 Guayaquil | 2021/08/03 14:30 | Juan A H Serrano v Nicolas Alvarez | 6-3,3-6,6-3 |
| ITF - M25 Portoviejo | 2021/07/31 15:00 | Nicolas Alvarez v Arklon H D Pino | 1-6,4-6 |