Stadium: Stadium Court Round: 25 Ground: Hardcourt outdoor
| ITF M25 Lesa | 2021/08/26 10:25 | Harold Mayot v Daniel Dutra Da Silva | 6-4,6-3 |
| ITF M25 Lesa | 2021/08/24 10:00 | Daniel Dutra Da Silva v Stefano Reitano | 6-1,6-3 |
| ITF M25 Frankfurt | 2021/08/13 10:00 | Daniel Dutra Da Silva v Oriol Roca Batalla | 4-6,2-6 |
| ITF M25 Frankfurt | 2021/08/12 10:50 | Christian Sigsgaard v Daniel Dutra Da Silva | 6-7,3-6 |
| ITF M25 Frankfurt | 2021/08/10 13:50 | Daniel Dutra Da Silva v Alexis Gautier | 6-0,6-3 |
| ITF M25 Bolzano | 2021/08/03 08:30 | Alexander Weis v Daniel Dutra Da Silva | 7-6,7-6 |
| ITF M25 Dénia | 2021/07/30 08:00 | Daniel Dutra Da Silva v Carlos Lopez Montagud | 3-6,6-7 |
| ITF M25 Dénia | 2021/07/29 09:30 | Antoine Escoffier v Daniel Dutra Da Silva | 6-3,3-6,2-6 |
| ITF M15 Recife | 2021/09/21 13:00 | Lorenzo Esquici v Iago Almeida | 6-2,6-3 |
| ITF M15 Recife | 2021/09/20 13:00 | Ighor Halmenschlager Reis v Lorenzo Esquici | 4-6,5-7 |