Stadium: Estadio Hypermalt Round: 14 Ground: Clay
| ATP - Los Cabos | 2022/08/03 00:00 | Alex Hernandez v Barrientos, Nicolas | 3-6,6-4,6-4 |
| ATP - Los Cabos | 2022/08/01 03:25 | Kaichi Uchida v Barrientos, Nicolas | 6-1,4-6,6-4 |
| ATP - Los Cabos | 2022/07/31 03:10 | Pervolarakis, Michail v Barrientos, Nicolas | 3-6,4-6 |
| Umag, Croatia | 2022/07/23 14:00 | Elias Ymer v Barrientos, Nicolas | 6-4,6-7,7-5 |
| Challenger Amersfoort | 2022/07/10 12:45 | Cervantes, Inigo v Barrientos, Nicolas | 6-4,6-1 |
| Parma II, Italy | 2022/06/13 11:05 | Oriol Roca Batalla v Barrientos, Nicolas | 3-6,6-3,6-1 |
| Parma II, Italy | 2022/06/12 12:30 | Gabriele Piraino v Barrientos, Nicolas | 7-6,3-6,6-7 |
| Challenger Perugia | 2022/06/06 11:00 | Barrientos, Nicolas v Giorgio Tabacco | 4-6,6-3,1-6 |
| ITF - M25 Santo Domingo | 2022/06/15 15:15 | Alejandro Jose Gandini v Yunseong Chung | 2-6,2-6 |
| ITF - M25 Santo Domingo | 2022/06/07 17:40 | Alejandro Jose Gandini v Gomez, Mateo | 6-7,2-6 |
| 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 | Telles, Leonardo v Alejandro Jose Gandini | 6-4,6-3 |