Stadium: Court 2 Round: 26
| ITF Portugal F19 | 2018/10/02 11:10 | Jonas Merckx v Martim L Prata | 6-3,6-3 |
| ITF Portugal F18 | 2018/09/27 09:00 | Jonas Merckx v Niels Desein | 4-6,6-7 |
| ITF Portugal F18 | 2018/09/25 09:00 | Maxime Tchoutakian v Jonas Merckx | 2-6,4-6 |
| ITF Belgium F10 | 2018/08/30 09:00 | Jonas Merckx v Colin Sinclair | 2-6,6-4,1-6 |
| ITF Belgium F10 | 2018/08/29 07:30 | Jonas Merckx v Simon Carr | 7-6,4-6,6-2 |
| ITF Belgium F10 | 2018/08/28 08:00 | Jonas Merckx v Buvaysar Gadamauri | 6-1,6-3 |
| ITF Belgium F9 | 2018/08/23 11:00 | Juan Bautista Otegui v Jonas Merckx | 6-2,6-4 |
| ITF Belgium F9 | 2018/08/21 10:30 | Nico Mertens v Jonas Merckx | 2-6,2-6 |
| ITF Portugal F19 | 2018/10/02 10:30 | Pedro Gabriel Rodrigues v Pedro Vives Marcos | 1-6,0-6 |
| ITF Portugal F18 | 2018/09/24 09:00 | Pedro Vives Marcos v Rafael Izquierdo Luque | 3-6,7-6,1-6 |
| ITF Portugal F18 | 2018/09/23 09:00 | Pedro Vives Marcos v Filipe Brandao | 6-2,4-6,6-4 |
| Challenger Mallorca | 2018/08/26 10:05 | Rigele Te v Pedro Vives Marcos | 6-2,6-3 |
| ITF Portugal F15 | 2018/08/17 10:00 | Youssef Hossam v Pedro Vives Marcos | 6-4,6-3 |
| ITF Portugal F15 | 2018/08/16 09:00 | Pedro Vives Marcos v Tiago Cacao | 7-6,6-4 |
| ITF Portugal F15 | 2018/08/14 10:55 | Antoine Walch v Pedro Vives Marcos | 7-6,2-6,0-6 |
| ITF Portugal F15 | 2018/08/12 08:30 | Danail Banov v Pedro Vives Marcos | 1-6,1-6 |