Stadium: Court 2 Round: 25 Ground: Clay
| ITF Netherlands F1 | 2018/06/28 15:00 | Guy Den Heijer v Botic Van De Zandschulp | 2-6,5-7 |
| ITF Netherlands F1 | 2018/06/26 13:35 | Guy Den Heijer v Maxime Pauwels | 7-5,4-6,7-6 |
| ITF Belgium F1 | 2018/06/19 08:00 | Paul Woerner v Guy Den Heijer | 7-6,4-6,7-5 |
| ITF Poland F4 | 2018/05/25 08:00 | Dante Gennaro v Guy Den Heijer | 6-0,6-2 |
| ITF Poland F4 | 2018/05/24 08:00 | Marcin Gawron v Guy Den Heijer | 1-6,3-6 |
| ITF Poland F4 | 2018/05/22 07:30 | Santiago Besada v Guy Den Heijer | 6-4,1-6,1-6 |
| ITF Poland F1 | 2018/05/04 13:00 | Guy Den Heijer v Michael Vrbensky | 7-6,2-6,3-6 |
| ITF Poland F1 | 2018/05/03 09:00 | Guy Den Heijer v Piotr Grynkowski | 6-1,6-2 |
| ITF Netherlands F2 | 2018/07/03 12:40 | Denis Klok v Stephan Fransen | 6-3,6-3 |
| ITF Netherlands F1 | 2018/06/29 13:00 | Stephan Fransen v Clement Geens | 3-6,3-6 |
| ITF Netherlands F1 | 2018/06/28 09:00 | Marc Giner v Stephan Fransen | 7-6,1-6,4-6 |
| ITF Netherlands F1 | 2018/06/26 17:40 | Stephan Fransen v Dax Donders | 6-2,6-4 |
| Challenger San Luis Potosi Qual | 2018/03/25 21:35 | Ivan Endara v Stephan Fransen | 6-0,6-0 |
| ITF Nigeria F5 | 2017/10/17 09:00 | Joseph Imeh Ubon v Stephan Fransen | 0-6,6-3,6-0 |
| ITF Nigeria F4 | 2017/10/14 15:30 | Stephan Fransen v Pedja Krstin | 2-6,3-6 |
| ITF Nigeria F4 | 2017/10/13 10:40 | Stephan Fransen v Aryan Goveas | 6-4,6-4 |