Stadium: Court 1 Round: 26 Ground: Clay
| ITF Netherlands F2 | 2018/07/03 12:40 | Denis Klok v Stephan Fransen | 6-3,6-3 |
| ITF Germany F5 | 2018/06/27 16:00 | Denis Klok v Marvin Netuschil | 3-6,3-6 |
| ITF Hungary F4 Qual | 2018/06/10 08:00 | Denis Klok v Strahinja Rakic | 2-6,1-6 |
| ITF Hungary F3 | 2018/05/24 08:30 | Denis Klok v Marko Tepavac | 4-6,1-6 |
| ITF Hungary F3 | 2018/05/23 12:05 | Denis Klok v Fabian Marozsan | 6-7,7-6,7-6 |
| ITF Hungary F3 | 2018/05/22 09:40 | Denis Klok v Andre Biro | 6-3,6-4 |
| ITF Hungary F2 | 2018/05/18 08:00 | Kenneth Raisma v Denis Klok | 6-4,6-4 |
| ITF Hungary F2 | 2018/05/17 09:00 | Denis Klok v Mick Veldheer | 4-6,7-5,6-3 |
| ITF Netherlands F2 | 2018/07/03 10:30 | Michiel de Krom v Dante Gennaro | 6-7,7-6,6-0 |
| ITF Netherlands F1 | 2018/06/26 15:10 | Michiel de Krom v Clement Geens | 1-6,3-6 |
| ITF Belgium F1 | 2018/06/20 10:20 | Marvin Netuschil v Michiel de Krom | 4-6,6-1,6-4 |
| ITF Turkey F21 | 2018/05/30 09:20 | Luis Patino v Michiel de Krom | 5-7,6-4,6-4 |
| ITF Spain F12 | 2018/05/22 10:40 | Carlos Sanchez Jover v Michiel de Krom | 7-5,6-3 |
| ITF Spain F11 | 2018/05/16 11:20 | Felipe Meligeni Rodrigues Alves v Michiel de Krom | 6-3,6-4 |
| ITF Spain F10 | 2018/04/26 09:00 | Michiel de Krom v Sadio Doumbia | 7-6,4-6,0-6 |
| ITF Spain F10 | 2018/04/24 08:00 | Ignacio B Alia v Michiel de Krom | 0-6,0-6 |