Stadium: Quadra Central Round: 26 Ground: Clay
| Challenger Blumenau | 2022/01/12 13:00 | Facundo Diaz Acosta v Quentin Folliot | 6-3,6-0 |
| Challenger Buenos Aires | 2022/01/09 13:00 | Facundo Diaz Acosta v Santiago Rodriguez Taverna | 4-6,2-6 |
| Challenger Buenos Aires | 2022/01/08 13:00 | Murkel Dellien v Facundo Diaz Acosta | 3-6,1-6 |
| Challenger Buenos Aires | 2022/01/07 14:30 | Gonzalo Villanueva v Facundo Diaz Acosta | 3-6,2-6 |
| Challenger Buenos Aires | 2022/01/06 15:40 | Mariano Navone v Facundo Diaz Acosta | 3-6,2-6 |
| Challenger Buenos Aires | 2022/01/04 13:00 | Lautaro Midon v Facundo Diaz Acosta | 5-7,3-6 |
| Challenger Rio De Janeiro | 2021/12/13 17:20 | Facundo Diaz Acosta v Nicolas Alvarez Varona | 3-6,6-4,3-6 |
| Challenger Florianopolis | 2021/12/08 17:50 | Facundo Juarez v Facundo Diaz Acosta | 3-6,7-5,6-2 |
| Challenger Blumenau | 2022/01/12 13:00 | Pedro Sakamoto v Roman Andres Burruchaga | 4-6,6-3,6-2 |
| Challenger Rio De Janeiro | 2021/12/15 16:35 | Pedro Sakamoto v Roy Smith | 7-6,4-6,3-6 |
| Challenger Rio De Janeiro | 2021/12/13 21:00 | Pedro Sakamoto v Facundo Juarez | 6-4,4-6,6-4 |
| Challenger Florianopolis | 2021/12/06 13:00 | Pedro Sakamoto v Federico Zeballos | 5-7,1-6 |
| Challenger Florianopolis | 2021/12/05 16:55 | Pedro Sakamoto v Joao Victor C Loureiro | 6-3,6-3 |
| Challenger Sao Paulo | 2021/12/01 12:30 | Nicolas Jarry v Pedro Sakamoto | 6-3,6-4 |
| Challenger Sao Paulo | 2021/11/30 12:30 | Pedro Sakamoto v Gilbert S K Junior | 2-6,7-5,7-5 |
| Challenger Campinas | 2021/11/14 18:10 | Pedro Sakamoto v Bogdan Bobrov | 2-6,4-6 |