Stadium: Court 13 Round: 25
| ITF Portugal F11 | 2018/07/08 14:00 | Mark Whitehouse v Nuno Borges | 6-4,6-4 |
| ITF Portugal F11 | 2018/07/07 12:00 | Pablo Vivero Gonzalez v Mark Whitehouse | 5-7,3-6 |
| ITF Portugal F11 | 2018/07/06 12:05 | Ivan Marrero Curbelo v Mark Whitehouse | 0-6,2-6 |
| ITF Portugal F11 | 2018/07/05 09:00 | Antonio Cembellin Prieto v Mark Whitehouse | 4-6,5-7 |
| ITF Portugal F11 | 2018/07/04 08:30 | Mark Whitehouse v Tiago Cacao | 6-3,6-4 |
| ITF Portugal F11 Qual | 2018/07/03 08:30 | Mark Whitehouse v Stefan Petrovic | 6-2,7-5 |
| ITF Portugal F11 Qual | 2018/07/02 11:00 | Mark Whitehouse v Afonso Salgado | 7-6,7-5 |
| ITF Portugal F10 | 2018/06/26 15:20 | Mark Whitehouse v Romain Bauvy | 6-7,7-6,1-6 |
| ITF Portugal F13 | 2018/08/04 10:00 | Daniel Batista v Guilherme W Osorio | 6-3,7-6 |
| ITF Portugal F13 | 2018/08/03 09:30 | Guilherme W Osorio v Michel Vernier | 6-2,7-5 |
| ITF Portugal F13 | 2018/08/02 10:00 | Tiago Cacao v Guilherme W Osorio | 2-6,6-4,4-6 |
| ITF Portugal F13 | 2018/07/31 10:00 | Goncalo Falcao v Guilherme W Osorio | 1-6,2-6 |
| ITF Portugal F11 | 2018/07/04 14:15 | Pablo Vivero Gonzalez v Guilherme W Osorio | 5-7,6-2,6-4 |
| ITF Portugal F11 Qual | 2018/07/03 08:30 | Elio Jose Ribeiro Lago v Guilherme W Osorio | 4-6,2-6 |
| ITF Portugal F11 Qual | 2018/07/02 11:00 | Maximiliano R-Mayorga v Guilherme W Osorio | 2-6,1-6 |
| ITF Portugal F10 | 2018/06/25 09:30 | Alexander Donski v Guilherme W Osorio | 2-6,7-5,6-4 |