Stadium: Court 8 Round: 25 Ground: Clay
| ITF M25 Wroclaw | 2021/07/01 09:00 | Alessandro Bega v Daniel Dutra Da Silva | 3-6,1-6 |
| ITF M25 Wroclaw | 2021/06/30 12:55 | Carl Soderlund v Daniel Dutra Da Silva | 5-7,3-6 |
| ITF M25 Wroclaw | 2021/06/29 08:00 | Daniel Dutra Da Silva v Timo Stodder | 6-3,6-7,10-3 |
| ITF M25 Wroclaw | 2021/06/28 10:00 | Daniel Dutra Da Silva v Ondrej Horak | 3-6,0-6 |
| ITF M25 Wroclaw | 2021/06/27 14:00 | Daniel Dutra Da Silva v Michal Wozniak | 6-3,6-2 |
| ITF M15 Antalya | 2021/06/23 12:20 | Daniel Dutra Da Silva v Alex Barrena | 4-6,1-6 |
| ITF M15 Antalya | 2021/06/10 07:00 | Timo Stodder v Daniel Dutra Da Silva | 1-6,7-5,6-1 |
| ITF M15 Novomoskovsk | 2021/06/03 10:00 | Viacheslav Bielinskyi v Daniel Dutra Da Silva | 6-4,1-6,14-12 |