Stadium: Court 2 Round: 25 Ground: Clay
| Challenger Rio De Janeiro | 2021/12/17 18:00 | Gabriel Decamps v Daniel Dutra Da Silva | 6-4,4-6,6-2 |
| Challenger Rio De Janeiro | 2021/12/14 17:35 | Daniel Dutra Da Silva v Orlando Luz | 7-6,6-4 |
| Challenger Florianopolis | 2021/12/10 13:00 | Juan Ignacio Londero v Daniel Dutra Da Silva | 6-4,6-3 |
| Challenger Florianopolis | 2021/12/09 14:55 | Daniel Dutra Da Silva v Nicolas Kicker | 2-6,7-5,6-4 |
| Challenger Florianopolis | 2021/12/07 16:40 | Daniel Dutra Da Silva v Wilson Leite | 6-3,6-4 |
| Challenger Sao Paulo | 2021/12/01 12:30 | Daniel Dutra Da Silva v Hugo Dellien | 6-4,1-6,3-6 |
| Challenger Sao Paulo | 2021/11/29 17:50 | Orlando Luz v Daniel Dutra Da Silva | 3-6,6-7 |
| ITF M25 Aparecida De Goiania | 2021/11/14 16:00 | Oscar Jose Gutierrez v Daniel Dutra Da Silva | 6-0,6-4 |
| Challenger Columbus | 2021/09/20 18:00 | Noah Rubin v Alex Bolt | 6-7,6-7 |
| Challenger Cary | 2021/09/14 21:25 | Michael Mmoh v Noah Rubin | 6-1,6-3 |
| ATP Winston-Salem | 2021/08/22 23:45 | Noah Rubin v Andy Murray | 2-6,0-6 |
| ATP Winston-Salem | 2021/08/22 20:50 | Lucas Pouille v Noah Rubin | 4-6,7-6,6-2 |
| ATP Winston-Salem | 2021/08/21 20:05 | JC Aragone v Noah Rubin | 6-7,6-1,4-6 |
| ATP Atlanta | 2021/07/24 17:10 | Evgeny Donskoy v Noah Rubin | 3-6,6-3,6-4 |
| Challenger Cary | 2021/07/20 15:00 | Noah Rubin v Maxime Cressy | 3-6,6-7 |
| ATP Newport | 2021/07/11 19:40 | Mitchell Krueger v Noah Rubin | 7-5,6-4 |