| ITF Portugal F15 | 2018/08/11 11:00 | Quentin Gueydan v Cameron Price | 6-1,6-2 |
| ITF Spain F22 | 2018/08/07 18:25 | Marco Brugnerotto v Quentin Gueydan | 6-2,6-3 |
| ITF Spain F22 | 2018/08/05 18:00 | Quentin Gueydan v Dennis Uspensky | 0-6,3-6 |
| ITF Spain F22 | 2018/08/04 18:30 | Quentin Gueydan v Anthony Popyrin | 6-1,6-1 |
| ITF France F13 | 2018/07/09 13:30 | Marat Deviatiarov v Quentin Gueydan | 6-2,6-1 |
| ITF France F13 Qual | 2018/07/08 09:20 | Quentin Gueydan v Loic Ratsaratany | 7-6,6-3 |
| ITF France F13 Qual | 2018/07/07 12:05 | Quentin Gueydan v Cesar Bourgois | 6-4,7-5 |
| ITF Portugal F9 | 2018/06/19 16:05 | Quentin Gueydan v Fred Gil | 3-6,6-4,6-7 |
| ITF Portugal F10 | 2018/06/23 09:00 | Antonio Pedro Pragana v Eduardo LDR De Almeida | 6-1,6-4 |