Stadium: Court 1 Round: 25 Ground: Clay
| Challenger - Rio De Janeiro | 2021/12/13 14:15 | Roy Smith v Luca Castelnuovo | 6-7,6-3,2-6 |
| Challenger - Rio De Janeiro | 2021/12/12 14:00 | Roy Smith v Victor Barros Fernandes | 6-0,6-4 |
| ITF - M15 Santo Domingo | 2021/12/09 13:30 | Roy Smith v Osgar O'Hoisin | 7-5,4-6,4-6 |
| ITF - M15 Santo Domingo | 2021/12/08 13:30 | Roy Smith v Rafael Abdul Salam | 6-1,6-3 |
| ITF - M15 Santo Domingo | 2021/12/02 13:30 | Enzo Wallart v Roy Smith | 3-6,6-2,6-4 |
| ITF - M15 Santo Domingo | 2021/12/01 13:30 | Louis Allen v Roy Smith | 2-6,1-6 |
| ITF - M25 Columbus | 2021/11/18 14:50 | Taha Baadi v Roy Smith | 6-3,6-1 |
| ITF - M25 Columbus | 2021/11/17 14:55 | Drew Van Orderlain v Roy Smith | 4-6,7-6,4-6 |
| Challenger - Florianopolis | 2021/12/09 18:00 | Genaro Alberto Olivieri v Matheus P De Almeida | 6-1,7-5 |
| Challenger - Florianopolis | 2021/12/07 20:00 | Matheus P De Almeida v Thiago Seyboth Wild | 6-4,6-2 |
| Challenger - Sao Paulo | 2021/11/29 16:05 | Matheus P De Almeida v Hugo Dellien | 3-6,5-7 |
| Challenger - Brasilia | 2021/11/23 17:45 | Genaro Alberto Olivieri v Matheus P De Almeida | 2-6,6-2,6-4 |
| Challenger - Campinas | 2021/11/16 22:40 | Matheus P De Almeida v Juan Manuel Cerundolo | 6-4,5-7,1-6 |
| Challenger - Montevideo | 2021/11/10 23:15 | Federico Coria v Matheus P De Almeida | 6-0,6-3 |
| Challenger - Montevideo | 2021/11/08 20:45 | Tomas Barrios Vera v Matheus P De Almeida | 4-6,5-7 |
| Challenger - Bogota | 2021/10/22 17:00 | Jesper De Jong v Matheus P De Almeida | 6-2,7-5 |