Round: 26 Ground: Hardcourt outdoor
| ITF Netherlands F2 | 2017/06/27 09:00 | Guy Den Heijer v Fred Simonsson | 4-6,4-6 |
| Challenger Tampere | 2017/07/25 11:00 | Fred Simonsson v Juan Ignacio Londero | 7-5,6-4 |
| ATP Bastad Qual | 2017/07/16 08:00 | Arthur De Greef v Fred Simonsson | 4-6,6-4,6-4 |
| Challenger Bastad | 2017/07/10 09:20 | Fred Simonsson v Guillermo Garcia-Lopez | 3-6,2-6 |
| Challenger Bastad Qual | 2017/07/09 10:05 | Fred Simonsson v Jonas Eriksson Ziverts | 7-6,4-6,6-4 |
| Challenger Bastad Qual | 2017/07/08 14:00 | Clement Geens v Fred Simonsson | 3-6,6-4,3-6 |
| Challenger Bastad Qual | 2017/07/08 10:55 | Fred Simonsson v Niklas Johansson | 7-6,6-1 |
| ITF Netherlands F2 | 2017/06/28 15:00 | Fred Simonsson v Niels Lootsma | 4-6,6-7 |
| ITF Netherlands F2 | 2017/06/27 09:00 | Guy Den Heijer v Fred Simonsson | 4-6,4-6 |
| ITF Belgium F6 | 2017/07/24 09:30 | Guy Den Heijer v Michael Geerts | 7-6,7-6 |
| ITF Netherlands F4 | 2017/07/10 08:00 | Guy Den Heijer v Tim Van Terheijden | 4-6,4-6 |
| ITF Netherlands F3 | 2017/07/04 10:00 | Marc Dijkhuizen v Guy Den Heijer | 6-3,2-6,6-1 |
| ITF Netherlands F2 | 2017/06/27 09:00 | Guy Den Heijer v Fred Simonsson | 4-6,4-6 |
| ITF Netherlands F1 | 2017/06/22 17:55 | Botic Van De Zandschulp v Guy Den Heijer | 6-3,6-2 |
| ITF Netherlands F1 | 2017/06/20 09:25 | Vincent Van Den Honert v Guy Den Heijer | 3-6,2-6 |
| ITF Portugal F3 | 2017/03/15 15:05 | Joao Monteiro v Guy Den Heijer | 6-0,7-6 |
| ITF Portugal F3 Qual | 2017/03/13 14:00 | Guy Den Heijer v Bart Van Den Berg | 6-2,7-5 |