Stadium: Court 1 Round: 28 Ground: Clay
| ITF Portugal F13 | 2018/08/03 16:00 | Daniel Batista v Hugo Largo | 7-5,5-7,7-6 |
| ITF Portugal F13 | 2018/08/01 17:15 | Fred Gil v Daniel Batista | 6-7,1-6 |
| ITF Portugal F12 | 2018/07/25 14:50 | Daniel Batista v Tobias Simon | 4-6,3-6 |
| ITF Portugal F11 | 2018/07/05 11:35 | Daniel Batista v Romain Bauvy | 3-6,5-7 |
| ITF Portugal F10 | 2018/06/28 12:05 | Daniel Batista v Christopher Diaz-Figueroa | 3-6,7-5,2-6 |
| ITF Portugal F10 | 2018/06/27 12:00 | Daniel Batista v Aaron Cortes Alcaraz | 6-4,6-3 |
| ITF Tunisia F22 | 2018/06/04 09:00 | Daniel Batista v Franco Capalbo | 1-6,1-6 |
| Challenger Lisbon Qual | 2018/05/13 10:00 | Daniel Batista v Andres F Canovas | 0-6,3-6 |
| 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 |
| ITF Portugal F10 | 2018/06/24 12:00 | Manuel Luis Lamelas v Guilherme W Osorio | 1-6,0-6 |