Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF Portugal F11 Qual | 2018/07/01 09:00 | Tomas Luis v Maximiliano R-Mayorga | 4-6,5-7 |
| ITF Portugal F10 | 2018/06/23 12:00 | Maximiliano R-Mayorga v Marko Vejnovic | 3-6,2-6 |
| ITF Portugal F2 Qual | 2018/02/25 10:00 | Maximiliano R-Mayorga v Miguel Vallejo | 6-4,2-6,3-6 |
| ITF Portugal F2 Qual | 2018/02/24 12:30 | Takahiro Kubo v Maximiliano R-Mayorga | 2-6,4-6 |
| ITF Zimbabwe F3 | 2017/06/24 07:00 | Warren Kuhn v Maximiliano R-Mayorga | 6-1,6-0 |
| ITF Zimbabwe F2 Qual | 2017/06/17 07:00 | Michael Copeland v Maximiliano R-Mayorga | 6-2,6-2 |
| ITF Zimbabwe F1 Qual | 2017/06/11 07:00 | Maximiliano R-Mayorga v Victor Bertoldo | 3-6,5-7 |
| ITF Spain F12 Qual | 2017/04/29 12:30 | Maximiliano R-Mayorga v Matthew Dellavedova | 3-6,0-6 |
| 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 |
| ITF Portugal F10 | 2018/06/23 15:00 | Renato Van Veggel v Guilherme W Osorio | 1-6,1-6 |
| ITF USA F31 | 2017/09/20 20:45 | Samir Iftikhar v Guilherme W Osorio | 2-6,1-6 |
| ITF USA F31 | 2017/09/20 20:00 | Samir Iftikhar v Guilherme W Osorio | 2-6,1-6 |
| ITF USA F31 | 2017/09/18 18:00 | Guilherme W Osorio v Pol Wattanakul | 6-2,6-0 |
| ITF USA F31 | 2017/09/17 19:00 | Guilherme W Osorio v Luis Humberto Lopez | 6-1,6-4 |
| ITF Portugal F16 | 2017/08/14 09:00 | Guilherme W Osorio v Ryan Peniston | 3-6,1-6 |