Stadium: Estadio Hypermalt Round: 14 Ground: Clay
| Challenger Pereira | 2022/03/29 15:00 | Alexander Ritschard v Nicolas Barrientos | 4-6,6-0,2-6 |
| Challenger Santa Cruz | 2022/03/23 01:00 | Genaro Alberto Olivieri v Nicolas Barrientos | 2-6,7-6,6-2 |
| Challenger Santa Cruz | 2022/03/21 21:05 | Gonzalo Villanueva v Nicolas Barrientos | 3-6,6-3,2-6 |
| Challenger Santa Cruz | 2022/03/20 21:25 | Boris Arias v Nicolas Barrientos | 3-6,4-6 |
| Challenger Concepcion | 2022/03/14 15:20 | Daniel Dutra Da Silva v Nicolas Barrientos | 6-4,7-5 |
| Challenger Concepcion | 2022/03/13 16:50 | Nicolas Barrientos v Roberto Quiroz | 6-3,6-7,6-4 |
| UTR Pro Tennis Series San Antonio | 2022/02/27 17:06 | Nicolas Barrientos v Harrison Adams | 6-4,1-6,6-7 |
| UTR Pro Tennis Series San Antonio | 2022/02/24 14:30 | Nicolas Barrientos v Joao Ceolin | 4-6,6-3,5-3 |
| ITF M25 Santo Domingo | 2021/06/09 14:50 | Alejandro Jose Gandini v Blaise Bicknell | 4-6,2-6 |
| ITF M25 Santo Domingo | 2021/06/01 14:35 | Nicolas Kicker v Alejandro Jose Gandini | 6-1,6-2 |
| ITF M15 Santo Domingo | 2020/12/02 13:30 | Leonardo Civita-Telles v Alejandro Jose Gandini | 6-4,6-3 |