Stadium: Court 1 Round: 26 Ground: Clay
| ITF Germany F7 | 2018/07/11 11:45 | Merckx, Jonas v Lucas Gerch | 6-4,3-6,6-3 |
| ITF Belgium F3 | 2018/07/05 13:30 | Georgii Kravchenko v Merckx, Jonas | 1-6,3-6 |
| ITF Belgium F3 | 2018/07/03 11:05 | Tsivadze, George v Merckx, Jonas | 7-5,3-6,3-6 |
| ITF Belgium F2 | 2018/06/26 10:15 | Gigounon, Germain v Merckx, Jonas | 6-3,6-1 |
| ITF Belgium F1 | 2018/06/22 11:00 | Yann Marti v Merckx, Jonas | 5-7,7-6,6-0 |
| ITF Belgium F1 | 2018/06/21 15:05 | Alexis Gautier v Merckx, Jonas | 4-6,3-6 |
| ITF Belgium F1 | 2018/06/19 09:55 | Herman, Louis v Merckx, Jonas | 3-6,0-6 |
| ITF Ukraine F3 | 2018/05/24 07:00 | Kolisnyk, Olexiy v Merckx, Jonas | 6-1,6-4 |
| ITF Germany F7 | 2018/07/11 09:00 | Jakub Paul v Cordonnier, Gregorio | 3-6,6-3,6-3 |
| ITF France F12 | 2018/07/03 15:35 | Jakub Paul v Ugo Humbert | 5-7,1-6 |
| ITF Belgium F2 | 2018/06/26 09:45 | Jakub Paul v Reuter, Yannik | 4-6,5-7 |
| ITF Belgium F2 Qual | 2018/06/25 08:00 | Jakub Paul v Nickels, Christophe | 6-1,7-5 |
| ITF Tunisia F23 | 2018/06/14 11:35 | Dougaz, Aziz v Jakub Paul | 7-5,6-3 |
| ITF Tunisia F23 | 2018/06/12 14:25 | Jakub Paul v Martinez, Mirko | 6-4,7-5 |
| Tunisia F22, Singles Qualifying | 2018/06/05 09:00 | Jakub Paul v Andrey Chepelev | 3-6,0-6 |
| Nigeria F2, Singles | 2018/04/25 13:50 | Joao Menezes v Jakub Paul | 6-4,7-6 |