Stadium: Court 3 Round: 26 Ground: Clay
| ITF Belgium F9 | 2018/08/21 12:10 | Juan Bautista Otegui v Lopez, Luis Humberto | 6-0,6-7,6-4 |
| ITF Belgium F9 | 2018/08/20 08:00 | Juan Bautista Otegui v Verboven, Maxim | 6-3,6-0 |
| ITF Belgium F9 | 2018/08/19 09:00 | Juan Bautista Otegui v Kandath, Matthew | 6-3,6-1 |
| ITF Morocco F4 | 2018/08/11 16:00 | Perchicot, Mathieu v Juan Bautista Otegui | 7-6,6-3 |
| ITF Morocco F4 | 2018/08/10 13:30 | Juan Bautista Otegui v Franco Emanuel Egea | 6-3,6-3 |
| ITF Morocco F4 | 2018/08/09 12:05 | Juan Bautista Otegui v Echazu, Mauricio | 7-6,6-2 |
| ITF Morocco F4 | 2018/08/08 10:00 | Moreno, Federico v Juan Bautista Otegui | 6-7,3-6 |
| ITF Morocco F4 | 2018/08/07 09:00 | Louis Tessa v Juan Bautista Otegui | 3-6,6-1,4-6 |
| 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 F4 | 2018/07/21 12:30 | Merckx, Jonas v Samuel Brosset | 4-6,5-7 |