Stadium: Court 1 Round: 14 Ground: Clay
| ITF - M25 Naples | 2020/02/11 15:00 | Gomez, Alejandro v Barrientos, Nicolas | 6-1,2-6,10-7 |
| Santa Marta, Singles M-ITF-COL-02A | 2019/12/08 20:55 | Gomez, Alejandro v Barrientos, Nicolas | 4-6,6-1,6-4 |
| ITF Colombia F3 | 2015/05/26 19:05 | Barrientos, Nicolas v Gomez, Alejandro | 6-7,3-6 |
| Bogota, Colombia | 2021/10/23 15:00 | Gerald Melzer v Barrientos, Nicolas | 6-2,6-7,6-1 |
| Bogota, Colombia | 2021/10/22 15:00 | Barrientos, Nicolas v Oriol Roca Batalla | 6-3,7-5 |
| Bogota, Colombia | 2021/10/21 15:00 | Enzo Couacaud v Barrientos, Nicolas | 3-6,4-6 |
| Bogota, Colombia | 2021/10/19 19:10 | Barrientos, Nicolas v Juan Sebastian Gomez | 2-6,6-2,6-4 |
| Bogota, Colombia | 2021/10/18 15:00 | Alejandro H Franco v Barrientos, Nicolas | 3-6,3-6 |
| Bogota, Colombia | 2021/10/17 19:00 | Johan A Rodriguez Rodriguez v Barrientos, Nicolas | 5-7,2-6 |
| Challenger Santiago Qual | 2021/10/10 15:45 | Lucas Catarina v Barrientos, Nicolas | 6-4,7-5 |
| Challenger Lima | 2021/09/28 17:15 | Oriol Roca Batalla v Barrientos, Nicolas | 7-5,7-6 |
| Bogota, Colombia | 2021/10/21 17:00 | Facundo Mena v Gomez, Alejandro | 6-3,6-1 |
| Bogota, Colombia | 2021/10/19 15:00 | Gomez, Alejandro v Pospisil, Jaroslav | 6-3,3-6,7-5 |
| Ambato, Ecuador | 2021/09/22 16:40 | Gomez, Alejandro v Juan Pablo Ficovich | 2-6,6-7 |
| Ambato, Ecuador | 2021/09/21 15:00 | Gomez, Alejandro v March, Antonio Cayetano | 6-3,6-4 |
| Ambato, Ecuador | 2021/09/20 16:55 | Alexis Gautier v Gomez, Alejandro | 6-7,4-6 |
| Ambato, Ecuador | 2021/09/19 19:25 | Gomez, Alejandro v Perchicot, Mathieu | 6-1,6-1 |
| Challenger Quito | 2021/09/14 15:00 | Facundo Mena v Gomez, Alejandro | 7-6,7-5 |
| Challenger Quito | 2021/09/13 15:00 | Gomez, Alejandro v Mario Adre Galarraga | 6-3,6-1 |