Stadium: Court 6 Round: 44 Ground: Clay
| ITF Belgium F3 Qual | 2018/06/30 07:30 | Gergely Madarasz v Wojcik, Jakub | 6-7,6-2,6-1 |
| ITF Belgium F2 Qual | 2018/06/24 14:20 | Matthew Dellavedova v Wojcik, Jakub | 6-7,6-2,6-0 |
| ITF Belgium F2 Qual | 2018/06/23 11:55 | Wojcik, Jakub v Vasic, Nikola | 6-3,6-0 |
| ITF Belgium F1 Qual | 2018/06/17 08:00 | Dhoe, Benjamin v Wojcik, Jakub | 4-6,6-1,6-2 |
| ITF Belgium F1 Qual | 2018/06/16 08:00 | Wojcik, Jakub v Cappello, Gauthier | 6-2,6-2 |
| Challenger Poznan Qual | 2018/06/03 15:05 | Wojcik, Jakub v Marcora, Roberto | 7-6,2-6,2-6 |
| ITF USA F36 | 2017/11/04 15:00 | Johns, Collin v Wojcik, Jakub | 6-4,6-1 |
| ITF Netherlands F5 | 2017/08/12 08:00 | Wojcik, Jakub v Buntsma, Gijs | 6-4,0-6,3-6 |
| ITF Belgium F3 | 2018/07/03 08:00 | Dermiens, Guillaume v Georgii Kravchenko | 3-6,3-6 |
| ITF Belgium F3 Qual | 2018/07/02 08:00 | Dermiens, Guillaume v Vandecasteele, Luke | 6-2,4-6,6-3 |
| ITF Belgium F3 Qual | 2018/07/01 08:00 | Dermiens, Guillaume v O'Jon, Ian | 6-2,6-2 |
| ITF Belgium F3 Qual | 2018/06/30 07:30 | Sonkin, Jeremy v Dermiens, Guillaume | 4-6,4-6 |
| ITF Netherlands F1 | 2018/06/26 10:35 | Hermans, Mats v Dermiens, Guillaume | 7-6,4-6,6-4 |
| ITF Netherlands F1 Qual | 2018/06/25 10:50 | Niels Lootsma v Dermiens, Guillaume | 4-6,6-7 |
| ITF Netherlands F1 Qual | 2018/06/24 09:00 | Dermiens, Guillaume v van Baal, Aloys Johannes Willem | 6-2,6-2 |
| ITF Netherlands F1 Qual | 2018/06/23 08:00 | Dermiens, Guillaume v Loncar, Stefan | 6-2,6-3 |