Stadium: Court 2 Round: 62 Ground: Hardcourt outdoor
| ITF Portugal F10 | 2018/06/23 12:00 | Miguel Semedo v Guilherme Valdoleiros | 6-3,6-4 |
| ITF Portugal F9 | 2018/06/16 11:30 | Pedro Gabriel Rodrigues v Guilherme Valdoleiros | 7-6,6-3 |
| ITF Portugal F21 | 2017/10/02 10:00 | Ivan Marrero Curbelo v Guilherme Valdoleiros | 6-1,6-2 |
| ITF Portugal F21 | 2017/10/01 09:00 | Guilherme Valdoleiros v Nathan Lavanchy | 4-6,6-2,6-3 |
| ITF Portugal F20 Qual | 2017/09/23 09:30 | Guilherme Valdoleiros v Jose Von Hafe Perez | 2-6,1-6 |
| ITF Portugal F13 | 2017/07/23 10:30 | Russell Henderson v Guilherme Valdoleiros | 6-2,6-2 |
| ITF Portugal F12 | 2017/07/16 08:00 | Clement Larriere v Guilherme Valdoleiros | 6-3,6-2 |
| ITF Portugal F12 | 2017/07/15 08:00 | Guilherme Valdoleiros v Yaseen Elhalafawy | 6-7,6-1,6-1 |