Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Idanha-A-Nova | 2021/07/21 08:00 | Patael, Ben v Robin Bertrand | 1-6,3-6 |
| ITF M15 Almada | 2021/07/08 10:55 | Duarte Vale v Patael, Ben | 6-2,6-4 |
| ITF M15 Almada | 2021/07/06 08:30 | Diogo Marques v Patael, Ben | 3-6,5-7 |
| ITF M25 Bakio | 2021/06/29 14:30 | Nicolas Alvarez Varona v Patael, Ben | 5-7,6-1,4-6 |
| ITF - M15 Héraklion | 2021/06/13 07:00 | Patael, Ben v Yuki Mochizuki | 5-7,2-6 |
| ITF - M15 Héraklion | 2021/06/12 07:00 | Musialek, Alexis v Patael, Ben | 1-6,1-6 |
| ITF - M15 Héraklion | 2021/06/11 07:00 | Roman Andres Burruchaga v Patael, Ben | 0-6,6-7 |
| ITF - M15 Héraklion | 2021/06/10 09:45 | March, Antonio Cayetano v Patael, Ben | 2-6,1-6 |
| ITF M25 Idanha-A-Nova | 2021/07/15 07:50 | Cozbinov, Alexander v Cabral, Francisco | 7-5,6-4 |
| ITF M25 Idanha-A-Nova | 2021/07/14 08:00 | Andrey Chepelev v Cabral, Francisco | 1-6,3-6 |
| Challenger Porto | 2021/06/28 10:00 | Verbeek, Sem v Cabral, Francisco | 7-6,6-3 |
| Challenger Porto | 2021/06/27 11:30 | Cabral, Francisco v Slobodchikov, Ronald | 6-2,6-2 |
| Challenger - Oeiras | 2021/05/23 10:00 | Filip Cristian Jianu v Cabral, Francisco | 6-7,6-4,6-2 |
| Challenger - Oeiras | 2021/05/16 14:00 | Cabral, Francisco v Alex Molcan | 1-6,1-6 |
| ITF M15 Valldoreix | 2021/05/11 08:00 | Niels Visker v Cabral, Francisco | 7-5,6-0 |
| ITF M15 Valldoreix | 2021/05/10 09:00 | Cabral, Francisco v Ryan Nijboer | 6-1,7-5 |