Stadium: Court 1 Round: 27 Ground: Clay
| ITF Belgium F10 | 2018/08/29 07:30 | Merckx, Jonas v Carr, Simon | 7-6,4-6,6-2 |
| ITF Belgium F10 | 2018/08/28 08:00 | Merckx, Jonas v Buvaysar Gadamauri | 6-1,6-3 |
| ITF Belgium F9 | 2018/08/23 11:00 | Juan Bautista Otegui v Merckx, Jonas | 6-2,6-4 |
| ITF Belgium F9 | 2018/08/21 10:30 | Mertens, Nico v Merckx, Jonas | 2-6,2-6 |
| Meerbusch, Allemagne, Qualifications | 2018/08/11 14:35 | Nicola Kuhn v Merckx, Jonas | 7-5,6-4 |
| ITF Germany F10 | 2018/07/31 14:55 | Botic Van De Zandschulp v Merckx, Jonas | 6-1,6-2 |
| ITF Belgium F5 | 2018/07/27 12:00 | Zizou Bergs v Merckx, Jonas | 6-2,6-4 |
| ITF Belgium F5 | 2018/07/26 09:00 | Merckx, Jonas v Gerritsen, Stephan | 6-2,6-0 |
| ITF Belgium F10 | 2018/08/29 12:15 | Samuel Brosset v Colin Sinclair | 6-4,1-6,2-6 |
| ITF Belgium F10 | 2018/08/28 08:00 | Colin Sinclair v George Loffhagen | 5-7,6-3,6-2 |
| ITF Belgium F9 | 2018/08/26 13:00 | Jan Choinski v Colin Sinclair | 3-6,7-6,6-3 |
| ITF Belgium F9 | 2018/08/25 14:00 | Colin Sinclair v Juan Bautista Otegui | 1-6,6-3,7-6 |
| ITF Belgium F9 | 2018/08/24 13:00 | Dhoe, Benjamin v Colin Sinclair | 1-6,4-6 |
| ITF Belgium F9 | 2018/08/23 11:00 | Colin Sinclair v Barbosa, Romain | 6-1,6-4 |
| ITF Belgium F9 | 2018/08/20 08:00 | Colin Sinclair v Saffratti, Marco | 6-1,6-4 |
| ITF Belgium F8 | 2018/08/14 09:00 | Michael Geerts v Colin Sinclair | 6-4,5-7,6-2 |