Stadium: Court 10 Round: 26 Ground: Hardcourt outdoor
| ITF Israel F13 | 2018/10/09 09:35 | Ran Amar v Guy Den Heijer | 3-6,2-6 |
| ITF Israel F12 | 2018/10/02 10:40 | Guy Den Heijer v Riccardo Maiga | 4-6,1-6 |
| 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 Israel F13 | 2018/10/09 14:00 | Francesco Ferrari v Edan Leshem | 6-2,1-6,2-6 |
| Challenger Lexington | 2018/07/31 22:10 | Edan Leshem v Jay Clarke | 4-6,4-6 |
| Challenger Binghamton | 2018/07/26 13:00 | Edan Leshem v Alex Rybakov | 6-4,6-3 |
| Challenger Gatineau | 2018/07/17 18:00 | Renta Tokuda v Edan Leshem | 6-4,6-7,6-3 |
| Challenger Gatineau Qual | 2018/07/16 14:00 | Edan Leshem v Aleksandar Vukic | 2-6,6-4,6-3 |
| Challenger Gatineau Qual | 2018/07/15 15:00 | Edan Leshem v Nicaise Muamba | 7-6,6-0 |
| Challenger Gatineau Qual | 2018/07/14 15:15 | Edan Leshem v Sebastien Collard | 6-3,6-0 |
| Challenger Winnipeg | 2018/07/11 16:55 | Edan Leshem v Evan Song | 4-6,6-1,1-6 |