Stadium: enter CourtC Round: 25 Ground: Clay
| ITF Finland F1 | 2018/07/31 08:35 | Dijkhuizen, Marc v Pontico, Hugo | 4-6,5-7 |
| ITF Lithuania F1 | 2018/07/24 14:10 | Dijkhuizen, Marc v Vrzesinski, Robertas | 5-7,2-6 |
| ITF Estonia F1 | 2018/07/18 11:00 | Joao Lucas Reis da Silva v Dijkhuizen, Marc | 6-2,7-5 |
| ITF Estonia F1 | 2018/07/17 10:00 | Grinvalds, Roberts v Dijkhuizen, Marc | 2-6,1-6 |
| ITF Netherlands F1 Qual | 2018/06/24 09:00 | Dijkhuizen, Marc v Barretto, Paul | 3-6,2-6 |
| ITF Turkey F22 | 2018/06/05 09:20 | Dijkhuizen, Marc v Jonas Trinker | 1-6,3-6 |
| ITF Sweden F3 | 2018/05/21 08:00 | Dijkhuizen, Marc v Press, Frederik | 1-6,6-3,6-7 |
| ITF Sweden F3 Qual | 2018/05/20 09:00 | Dijkhuizen, Marc v Johnsson, Rasmus | 6-3,6-1 |
| Challenger Scheveningen Qual | 2018/07/15 11:55 | Jahn, Jeremy v Niels Lootsma | 7-6,4-6,7-5 |
| Challenger Scheveningen Qual | 2018/07/14 16:25 | Avidzba, Alen v Niels Lootsma | 3-6,3-6 |
| ITF Netherlands F3 | 2018/07/13 15:50 | van Rijthoven, Tim v Niels Lootsma | 7-6,6-4 |
| ITF Netherlands F3 | 2018/07/10 13:05 | Niels Lootsma v Fernando Yamacita | 3-6,6-2,6-3 |
| ITF Netherlands F2 | 2018/07/03 10:10 | Orlando Luz v Niels Lootsma | 1-6,6-3,6-4 |
| 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 | Niels Lootsma v Reynolds, Rob | 6-3,6-4 |
| ITF Czech Republic F1 | 2018/05/16 08:00 | Niels Lootsma v Konecny, Michal | 7-5,3-6,4-6 |