Stadium: Central Round: 27 Ground: Clay
| ITF M25 Denia | 2021/07/29 09:30 | Antoine Escoffier v Daniel Dutra Da Silva | 6-3,3-6,2-6 |
| ITF M25 Denia | 2021/07/28 07:55 | Lorenzo Joaquin Rodriguez v Daniel Dutra Da Silva | 6-7,1-6 |
| ITF M25 Velenje | 2021/07/06 12:55 | Daniel Dutra Da Silva v Maj Premzl | 6-2,7-5 |
| 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 M25 Denia | 2021/07/29 09:45 | Max Alcala Gurri v Carlos Lopez Montagud | 1-6,0-6 |
| ITF M25 Denia | 2021/07/27 17:25 | Carlos Lopez Montagud v Jeremy Jahn | 6-4,6-2 |
| ITF M25 Gandia | 2021/07/22 16:00 | Daniel Merida Aguilar v Carlos Lopez Montagud | 6-4,6-1 |
| ITF M25 Gandia | 2021/07/21 10:35 | Carlos Lopez Montagud v Javier Molino | 6-4,6-2 |
| ITF M25 The Hague | 2021/06/29 09:00 | Yu Hsiou Hsu v Carlos Lopez Montagud | 6-1,3-6,6-3 |
| ITF M25 The Hague | 2021/06/28 08:45 | Carlos Lopez Montagud v Michiel de Krom | 6-1,6-3 |
| ITF M25 The Hague | 2021/06/27 08:00 | Carlos Lopez Montagud v Fons Van Sambeek | 6-4,6-2 |
| ITF M25 Alkmaar | 2021/06/24 15:00 | Nicolas Alvarez Varona v Carlos Lopez Montagud | 5-7,6-3,6-2 |