Stadium: Court 1 Round: 27 Ground: Hardcourt outdoor
| ITF - M15 Castelo Branco | 2021/07/29 08:30 | Martin Breysach v Duarte Vale | 2-6,4-6 |
| ITF - M15 Castelo Branco | 2021/07/27 14:05 | Miguel Damas v Duarte Vale | 6-7,3-6 |
| ITF - M25 Idanha-A-Nova | 2021/07/20 11:15 | Simon Carr v Duarte Vale | 6-4,7-6 |
| ITF - M25 Idanha-A-Nova | 2021/07/14 08:00 | Alejandro Moro Canas v Duarte Vale | 6-4,6-3 |
| ITF - M15 Almada | 2021/07/10 10:20 | Daniel Cox v Duarte Vale | 6-2,6-2 |
| ITF - M15 Almada | 2021/07/09 10:25 | Ugo Blanchet v Duarte Vale | 2-6,5-7 |
| ITF - M15 Almada | 2021/07/08 10:55 | Duarte Vale v Ben Patael | 6-2,6-4 |
| ITF - M15 Almada | 2021/07/07 08:30 | Michiel de Krom v Duarte Vale | 3-6,3-6 |
| ITF - M15 Castelo Branco | 2021/07/29 11:30 | Pedro Araujo v Joao Lucas Reis da Silva | 4-6,4-6 |
| ITF - M15 Castelo Branco | 2021/07/27 12:00 | Alafia Ayeni v Joao Lucas Reis da Silva | 4-6,4-6 |
| ITF - M25 Idanha-A-Nova | 2021/07/21 08:00 | Joao Lucas Reis da Silva v Marek Gengel | 5-7,0-6 |
| ITF - M25 Idanha-A-Nova | 2021/07/16 07:55 | Nicolas Moreno De Alboran v Joao Lucas Reis da Silva | 7-6,6-4 |
| ITF - M25 Idanha-A-Nova | 2021/07/15 10:15 | Luis Faria v Joao Lucas Reis da Silva | 6-4,2-6,3-6 |
| ITF - M25 Idanha-A-Nova | 2021/07/13 12:30 | Joao Lucas Reis da Silva v Yusuke Takahashi | 6-3,6-1 |
| ITF - M15 Almada | 2021/07/10 08:30 | Fabio Coelho v Joao Lucas Reis da Silva | 6-3,6-4 |
| ITF - M15 Almada | 2021/07/09 10:20 | Joao Lucas Reis da Silva v Diego F Flores | 6-4,7-6 |