Stadium: Cancha 3 Round: 19 Ground: Clay
| Challenger Florianopolis | 2021/12/09 13:00 | Nicolas Barrientos v Gonzalo Villanueva | 7-6,6-1 |
| Challenger Santa Cruz | 2022/03/20 19:20 | Gonzalo Villanueva v Ignacio Carou | 6-2,6-4 |
| Challenger Concepcion | 2022/03/15 16:40 | Nicolas Jarry v Gonzalo Villanueva | 6-2,6-1 |
| Challenger Concepcion | 2022/03/14 13:30 | Nicolas Villalon v Gonzalo Villanueva | 0-6,1-6 |
| Challenger Concepcion | 2022/03/13 13:30 | Murkel Dellien v Gonzalo Villanueva | 4-6,1-6 |
| Challenger Santa Cruz | 2022/01/25 16:00 | Gonzalo Villanueva v Zdenek Kolar | 5-7,6-4,2-6 |
| Challenger Santa Cruz | 2022/01/24 19:30 | Gonzalo Villanueva v Michel Vernier | 6-4,6-4 |
| Challenger Concepcion | 2022/01/19 15:00 | Gonzalo Lama v Gonzalo Villanueva | 2-6,6-4,6-4 |
| Challenger Concepcion | 2022/01/17 20:55 | Gonzalo Villanueva v Andrej Martin | 6-2,6-3 |
| 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 |
| UTR Pro Tennis Series San Antonio | 2022/02/22 15:00 | Nicolas Barrientos v Grant Lothringer | 7-5,6-4 |
| UTR Pro Tennis Series San Antonio | 2022/02/21 17:30 | Lucas Brown v Nicolas Barrientos | 1-6,0-6 |
| Challenger Rio De Janeiro | 2021/12/15 13:00 | Gabriel Decamps v Nicolas Barrientos | 6-1,6-4 |