Stadium: Cancha 7 Round: 14 Ground: Clay
| Challenger Ambato | 2021/09/24 16:00 | Facundo Mena v Alexis Gautier | 7-6,6-4 |
| Challenger Ambato | 2021/09/23 15:00 | Alexis Gautier v Andrej Martin | 6-3,7-6 |
| Challenger Ambato | 2021/09/22 15:00 | Alexis Gautier v Gonzalo Lama | 6-4,6-7,6-3 |
| Challenger Ambato | 2021/09/20 16:55 | Alexis Gautier v Alejandro Gomez | 6-7,4-6 |
| Challenger Ambato | 2021/09/19 19:00 | Alexis Gautier v Alexander Merino | 6-3,6-1 |
| Challenger Quito | 2021/09/18 18:05 | Facundo Mena v Alexis Gautier | 6-2,4-6,6-2 |
| Challenger Quito | 2021/09/17 19:50 | Mathieu Perchicot v Alexis Gautier | 4-6,3-6 |
| Challenger Quito | 2021/09/15 16:40 | Alexis Gautier v Emilio Gomez | 7-5,7-6 |
| Challenger Cary | 2021/09/12 17:50 | Alexis Galarneau v Nicolas Barrientos | 6-4,6-1 |
| Challenger Saint-Tropez | 2021/08/30 10:15 | Alexis Galarneau v Nicolas Barrientos | 2-6,6-1,6-4 |
| Challenger Saint-Tropez | 2021/08/29 13:00 | Cesar Bouchelaghem v Nicolas Barrientos | 4-6,0-6 |
| UTR Pro Tennis Series Nevada | 2021/07/04 15:00 | Nicolas Barrientos v Evan Song | 1-5 |
| UTR Pro Tennis Series Nevada | 2021/07/03 15:00 | Nicolas Barrientos v Justin Boulais | 4-6,6-3,5-4 |
| UTR Pro Tennis Series Nevada | 2021/07/02 15:00 | Bjorn Swenson v Nicolas Barrientos | 0-6,1-5 |
| UTR Pro Tennis Series Nevada | 2021/07/01 15:00 | Eric Hadigian v Nicolas Barrientos | 2-6,3-6 |
| UTR Pro Tennis Series Nevada | 2021/06/30 16:30 | Finn Bass v Nicolas Barrientos | 3-6,3-6 |