stadio: 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 - Rio De Janeiro | 2021/12/13 16:00 | Federico Zeballos v Rafael Matos | 3-6,6-1,1-6 |
| Challenger - Rio De Janeiro | 2021/12/12 18:00 | Federico Zeballos v Paulo A S Dos Santos | 6-1,6-3 |
| Challenger Florianopolis | 2021/12/07 13:00 | Federico Zeballos v Hugo Dellien | 6-7,2-6 |
| Challenger Florianopolis | 2021/12/06 13:00 | Pedro Sakamoto v Federico Zeballos | 5-7,1-6 |
| Challenger Florianopolis | 2021/12/05 12:30 | Luca Castelnuovo v Federico Zeballos | 3-6,1-6 |
| Challenger San Paolo | 2021/11/28 13:00 | Eduardo Ribeiro v Federico Zeballos | 6-4,7-6 |
| Challenger Brasilia | 2021/11/22 13:00 | Bogdan Bobrov v Federico Zeballos | 6-3,6-3 |
| Challenger Brasilia | 2021/11/21 13:00 | Joao Vieira v Federico Zeballos | 0-6,3-6 |