Stadium: Centre Court Round: 25 Ground: Clay
| ITF Netherlands F4 | 2018/08/15 14:30 | Max Houkes v Mick Veldheer | 7-5,3-6,6-4 |
| ITF Netherlands F4 | 2018/08/17 12:55 | Niels Lootsma v Max Houkes | 7-5,6-4 |
| ITF Netherlands F4 | 2018/08/16 12:35 | Max Houkes v Christoph Negritu | 6-3,4-6,6-2 |
| ITF Netherlands F4 | 2018/08/15 14:30 | Max Houkes v Mick Veldheer | 7-5,3-6,6-4 |
| ITF Netherlands F4 | 2018/08/13 10:00 | Max Houkes v Alec Deckers | 7-6,6-3 |
| ITF Netherlands F4 | 2018/08/12 12:00 | Bart Van Den Berg v Max Houkes | 7-5,1-6,4-6 |
| ITF Netherlands F4 | 2018/08/11 15:00 | Daniel De Jonge v Max Houkes | 6-7,2-6 |
| ITF Turkey F18 | 2018/05/09 09:10 | Max Houkes v Alexander Boborykin | 4-6,7-5,4-6 |
| ITF Turkey F18 | 2018/05/07 07:30 | Mert Naci Turker v Max Houkes | 6-2,6-1 |
| ITF Netherlands F4 | 2018/08/15 14:30 | Max Houkes v Mick Veldheer | 7-5,3-6,6-4 |
| ITF Austria F6 | 2018/08/09 10:25 | Mariano Kestelboim v Mick Veldheer | 7-5,6-1 |
| ITF Austria F6 | 2018/08/08 09:00 | Mick Veldheer v Takuto Niki | 7-6,7-5 |
| ITF Austria F6 | 2018/08/07 09:00 | Mick Veldheer v Philip Aplienz | 6-2,6-2 |
| ITF Austria F4 | 2018/07/24 10:00 | Yuta Shimizu v Mick Veldheer | 7-5,7-6 |
| ITF Austria F3 | 2018/07/18 08:00 | Ivan Davydov v Mick Veldheer | 6-4,7-5 |
| ITF Austria F3 | 2018/07/17 11:25 | Filip Duda v Mick Veldheer | 1-6,6-7 |
| ITF Austria F2 | 2018/07/09 14:00 | Mick Veldheer v Joy Vigani | 1-6,4-6 |