Round: 27 Ground: Clay
| ITF Portugal F13 | 2017/07/27 16:00 | Martim L Prata v Lucas Catarina | 0-6,4-6 |
| ITF Portugal F13 | 2017/07/26 11:45 | Lucas Catarina v Alejandro Garcia | 6-3,7-6 |
| ITF Portugal F12 | 2017/07/23 09:00 | Lucas Catarina v David Perez Sanz | 6-4,6-4 |
| ITF Portugal F12 | 2017/07/22 13:10 | Alex De Minaur v Lucas Catarina | 6-7,6-1,4-6 |
| ITF Portugal F12 | 2017/07/21 10:25 | Antoine Escoffier v Lucas Catarina | 3-6,4-6 |
| ITF Portugal F12 | 2017/07/20 08:30 | Maxime Tchoutakian v Lucas Catarina | 3-6,1-6 |
| ITF Portugal F12 | 2017/07/18 12:55 | Nuno Deus v Lucas Catarina | 3-6,4-6 |
| ITF Portugal F11 | 2017/07/14 16:40 | Lucas Catarina v Joao Monteiro | 6-3,3-6,4-6 |
| ITF Portugal F13 | 2017/07/27 09:30 | Adil Kalyanpur v Clement Larriere | 4-6,3-6 |
| ITF Portugal F12 | 2017/07/20 10:10 | Antoine Escoffier v Clement Larriere | 7-6,6-2 |
| ITF Portugal F12 | 2017/07/19 10:40 | Clement Larriere v Grega Boh | 6-1,6-2 |
| ITF Portugal F12 | 2017/07/17 09:30 | Clement Larriere v Diogo Lourenco | 6-2,6-4 |
| ITF Portugal F12 | 2017/07/16 08:00 | Clement Larriere v Guilherme Valdoleiros | 6-3,6-2 |
| ITF Portugal F11 | 2017/07/10 14:55 | Takanyi Garanganga v Clement Larriere | 7-6,6-2 |
| ITF Portugal F11 Qual | 2017/07/09 12:00 | Clement Larriere v Henrique W Osorio | 4-6,6-4,6-2 |
| ITF Portugal F11 Qual | 2017/07/08 13:30 | Clement Larriere v Goncalo Ferreira | 6-4,6-1 |