Stadium: Centre Court Round: 25 Ground: Clay
| ITF Netherlands F4 | 2018/08/14 10:00 | Marc Dijkhuizen v Niels Lootsma | 1-6,2-6 |
| ITF Finland F1 | 2018/07/31 08:35 | Marc Dijkhuizen v Hugo Pontico | 4-6,5-7 |
| ITF Lithuania F1 | 2018/07/24 14:10 | Marc Dijkhuizen v Robertas Vrzesinski | 5-7,2-6 |
| ITF Estonia F1 | 2018/07/18 11:00 | Joao Lucas Reis da Silva v Marc Dijkhuizen | 6-2,7-5 |
| ITF Estonia F1 | 2018/07/17 10:00 | Roberts Grinvalds v Marc Dijkhuizen | 2-6,1-6 |
| ITF Netherlands F1 Qual | 2018/06/24 09:00 | Marc Dijkhuizen v Paul Barretto | 3-6,2-6 |
| ITF Turkey F22 | 2018/06/05 09:20 | Marc Dijkhuizen v Jonas Trinker | 1-6,3-6 |
| ITF Sweden F3 | 2018/05/21 08:00 | Marc Dijkhuizen v Frederik Press | 1-6,6-3,6-7 |
| ITF Netherlands F5 | 2018/08/19 10:00 | Ruben Konings v Aloys J W Van Baal | 6-3,6-7,7-6 |
| ITF Netherlands F5 | 2018/08/18 08:00 | Ruben Konings v Tim Van Der Horst | 6-2,6-2 |
| ITF Netherlands F5 | 2018/08/18 07:00 | Ruben Konings v Boris Beumer | 2-6,6-2,6-4 |
| ITF Netherlands F4 | 2018/08/13 10:00 | Ruben Konings v Rayan Ghedjemis | 1-6,2-6 |
| ITF Netherlands F4 | 2018/08/11 09:00 | Ruben Konings v Aloys J W Van Baal | 6-3,6-3 |
| ITF Netherlands F2 Qual | 2018/07/01 10:30 | Ruben Konings v Noe Khlif | 6-4,4-6,2-6 |
| ITF Netherlands F1 | 2018/06/28 12:35 | Andrew Watson v Ruben Konings | 6-3,6-1 |
| ITF Netherlands F1 | 2018/06/26 15:00 | Maikel Borg v Ruben Konings | 2-6,3-6 |