Stadium: Court 9 Round: 25 Ground: Clay
| ITF Colombia F3 Qual | 2017/07/30 15:00 | Mendoza, Alejandro v Nicolas Alvarez | 6-2,7-6 |
| ITF M25 Lima | 2020/02/05 19:50 | Nicolas Alvarez v Miljan Zekic | 6-7,4-6 |
| Challenger - Punta del Este | 2020/01/28 22:30 | Nicolas Alvarez v Facundo Bagnis | 6-7,6-3,1-6 |
| Challenger - Punta del Este | 2020/01/27 14:20 | Matos, Rafael v Nicolas Alvarez | 6-3,4-6,3-6 |
| ITF - M25 Naples | 2019/11/22 18:45 | Martin Damm v Nicolas Alvarez | 6-3,7-6 |
| ITF - M25 Naples | 2019/11/21 18:40 | Adrian Andreev v Nicolas Alvarez | 2-6,4-6 |
| ITF - M25 Naples | 2019/11/20 17:05 | Camilo Ugo Carabelli v Nicolas Alvarez | 0-6,4-6 |
| Orlando, Singles M-ITF-USA-38B | 2019/11/17 17:45 | Nicolas Alvarez v Pedro Sakamoto | 3-6,6-2,6-1 |
| Orlando, Singles M-ITF-USA-38B | 2019/11/16 16:00 | Javier Barranco Cosano v Nicolas Alvarez | 5-7,4-6 |
| ITF M25 Lima | 2020/02/10 16:50 | Mendoza, Alejandro v Franco Roncadelli | 6-7,5-7 |
| ITF M25 Lima | 2020/02/09 17:00 | Mendoza, Alejandro v Pastore, Cristian Luciano | 6-2,6-2 |
| ITF M25 Lima | 2020/02/03 16:35 | Mariano Kestelboim v Mendoza, Alejandro | 6-0,6-0 |
| ITF M25 Lima | 2020/02/02 18:00 | Bautista Vilicich v Mendoza, Alejandro | 6-4,5-7,3-10 |
| Santa Marta, Singles M-ITF-COL-02A | 2019/12/06 20:00 | Mendoza, Alejandro v Barrientos, Nicolas | 4-6,2-6 |
| Santa Marta, Singles M-ITF-COL-02A | 2019/12/05 20:35 | Mendoza, Alejandro v Martinez Sarrasague, Felipe | 4-6,7-6,7-6 |
| ITF M15 Santo Domingo | 2019/11/27 13:30 | Paul Jubb v Mendoza, Alejandro | 6-0,6-3 |
| ITF M15 Cancun | 2019/11/19 14:00 | Mendoza, Alejandro v Conner Huertas Del Pino | 6-7,2-6 |