Stadium: Court 1 Round: 27 Ground: Clay
| Challenger Rio De Janeiro | 2021/12/15 15:30 | Luciano Darderi v Nicolas Alvarez Varona | 3-6,1-6 |
| Challenger Rio De Janeiro | 2021/12/13 17:20 | Facundo Diaz Acosta v Nicolas Alvarez Varona | 3-6,6-4,3-6 |
| Challenger Florianopolis | 2021/12/06 15:40 | Pablo Cuevas v Nicolas Alvarez Varona | 7-6,6-2 |
| Challenger Sao Paulo | 2021/12/02 15:30 | Luciano Darderi v Nicolas Alvarez Varona | 6-4,6-1 |
| Challenger Sao Paulo | 2021/11/29 16:55 | Nicolas Alvarez Varona v Nicolas Kicker | 7-5,6-3 |
| Challenger Brasilia | 2021/11/23 15:50 | Bogdan Bobrov v Nicolas Alvarez Varona | 3-6,6-7 |
| Challenger Campinas | 2021/11/18 14:00 | Nicolas Alvarez Varona v Santiago Rodriguez Taverna | 6-7,7-6,5-7 |
| Challenger Campinas | 2021/11/16 15:50 | Orlando Luz v Nicolas Alvarez Varona | 3-6,4-6 |
| Challenger Rio De Janeiro | 2021/12/15 16:35 | Pedro Sakamoto v Roy Smith | 7-6,4-6,3-6 |
| Challenger Rio De Janeiro | 2021/12/14 13:00 | Roy Smith v Federico Zeballos | 6-4,7-6 |
| 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 |