Round: 1 Ground: Clay
| Colombian National Exhibition | 2020/08/24 20:35 | Gonzalez, Alejandro v Gomez, Mateo | 6-0,6-3 |
| Colombian National Exhibition | 2020/08/24 14:30 | Gonzalez, Alejandro v Montes, Juan | 6-2,6-2 |
| Challenger - Morelos | 2020/02/21 21:20 | Jurij Rodionov v Gonzalez, Alejandro | 7-5,3-6,7-5 |
| Challenger - Morelos | 2020/02/20 20:10 | Gonzalez, Alejandro v Sebastian Ofner | 6-2,6-7,6-2 |
| Challenger - Morelos | 2020/02/18 21:25 | Ward, James v Gonzalez, Alejandro | 6-3,1-6,6-7 |
| Challenger - Morelos | 2020/02/17 19:25 | Patino, Luis v Gonzalez, Alejandro | 6-7,4-6 |
| ITF - M25 Naples | 2020/02/14 16:50 | Evan Zhu v Gonzalez, Alejandro | 3-6,6-2,7-6 |
| ITF - M25 Naples | 2020/02/13 17:10 | Gonzalez, Alejandro v Johan Nikles | 6-4,2-6,6-1 |
| Colombian National Exhibition | 2020/08/24 14:30 | Struvay, Eduardo v Beltran Rubio, Michael Alejandro | 6-2,6-0 |
| ITF M15 Cancun | 2020/03/10 16:55 | Mwendwa Mbithi v Beltran Rubio, Michael Alejandro | 6-0,6-0 |
| ITF M25 Lima | 2020/02/09 14:00 | Pastore, Cristian Luciano v Beltran Rubio, Michael Alejandro | 6-3,7-5 |
| Santa Marta, Singles M-ITF-COL-02A | 2019/12/04 20:50 | Riquelme Coppari, Agustin v Beltran Rubio, Michael Alejandro | 3-6,6-2,6-3 |
| ITF M15 Valldoreix | 2019/05/13 08:30 | Beltran Rubio, Michael Alejandro v Alex M Pujolras | 0-6,0-6 |