Stadium: Court 1 Round: 25 Ground: Clay
| 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 F5 | 2018/07/25 12:10 | Merckx, Jonas v Fetisleam, Edris | 6-2,5-7,6-3 |
| ITF Belgium F5 | 2018/07/24 08:00 | Merckx, Jonas v Michalis Sakellaridis | 6-3,6-1 |
| ITF Belgium F9 | 2018/08/19 13:45 | Peters, Flemming v Buvaysar Gadamauri | 6-1,6-2 |
| ITF Belgium F8 | 2018/08/11 13:00 | Huertas Del Pino Cordova, Arklon v Buvaysar Gadamauri | 6-3,2-6,6-3 |
| ITF Belgium F8 | 2018/08/11 08:00 | Beaufort, Nicolas v Buvaysar Gadamauri | 2-6,3-6 |
| ITF Belgium F6 Qual | 2018/07/28 09:30 | Buvaysar Gadamauri v Marlon Vankan | 3-6,4-6 |
| ITF Belgium F5 | 2018/07/23 10:00 | Buvaysar Gadamauri v Gerritsen, Stephan | 2-6,3-6 |
| ITF Belgium F5 | 2018/07/22 08:00 | Buvaysar Gadamauri v Borg, Maikel | 6-3,6-3 |
| ITF Belgium F5 | 2018/07/21 11:00 | Ferrando, Nicolas v Buvaysar Gadamauri | 4-6,2-6 |
| ITF Belgium F4 | 2018/07/14 10:00 | Buvaysar Gadamauri v Daniel De Jonge | 6-7,6-3,6-7 |