Round: 62 Ground: Hardcourt outdoor
| ITF Portugal F6 | 2015/05/19 14:50 | Joao Antonio v Guilherme W Osorio | 2-6,1-6 |
| ITF Portugal F5 Qual | 2015/05/11 11:30 | Joao Antonio v Guilherme W Osorio | 6-3,6-1 |
| ITF Portugal F6 | 2015/05/19 14:50 | Joao Antonio v Guilherme W Osorio | 2-6,1-6 |
| ITF Portugal F6 Qual | 2015/05/18 16:00 | Bruno Mardones v Guilherme W Osorio | 6-7,3-6 |
| ITF Portugal F6 Qual | 2015/05/17 13:00 | Guilherme W Osorio v Daniel Rodrigues | 6-3,6-2 |
| ITF Portugal F5 Qual | 2015/05/11 11:30 | Joao Antonio v Guilherme W Osorio | 6-3,6-1 |
| ITF Portugal F4 | 2015/05/05 18:00 | Guilherme W Osorio v Bruno Santanna | 4-6,1-6 |
| ITF Portugal F3 Qual | 2015/03/08 10:00 | Guilherme W Osorio v Miguel Vallejo | 6-0,6-2 |
| ITF Portugal F2 Qual | 2015/03/02 10:00 | Jaime Pulgar-Garcia v Guilherme W Osorio | 6-4,6-3 |
| ITF Portugal F2 Qual | 2015/03/01 14:00 | Guilherme W Osorio v Tim Van Der Horst | 6-2,6-2 |
| ITF Portugal F12 Qual | 2015/09/27 09:00 | Joao Antonio v Gabriel Diaz Freire | 3-6,6-2,6-4 |
| ITF Portugal F7 Qual | 2015/05/25 10:30 | Alejandro O Palacios v Joao Antonio | 7-5,6-1 |
| ITF Portugal F6 | 2015/05/19 14:50 | Joao Antonio v Guilherme W Osorio | 2-6,1-6 |
| ITF Portugal F5 Qual | 2015/05/11 11:30 | Joao Antonio v Guilherme W Osorio | 6-3,6-1 |
| ITF Portugal F5 Qual | 2015/05/09 13:00 | Henrique W Osorio v Joao Antonio | 3-6,1-6 |
| ITF Portugal F3 Qual | 2015/03/09 11:30 | Nuno Deus v Joao Antonio | 6-0,6-4 |
| ITF Portugal F12 | 2014/10/29 13:00 | Joao Antonio v Laurent Rochette | 2-6,2-6 |