Round: 26 Ground: Hardcourt outdoor
| ITF Netherlands F2 | 2017/06/27 09:00 | Guy Den Heijer v Fred Simonsson | 4-6,4-6 |
| ATP Stockholm Qual | 2017/10/15 12:00 | Fred Simonsson v Jurgen Zopp | 4-6,2-6 |
| ITF Sweden F4 | 2017/10/03 12:00 | Fred Simonsson v Antoine Bellier | 1-6,4-6 |
| ITF Sweden F3 | 2017/09/29 10:10 | Dzmitry Zhyrmont v Fred Simonsson | 6-4,6-4 |
| ITF Sweden F3 | 2017/09/28 10:30 | Fred Simonsson v Matteo Viola | 6-1,6-4 |
| ITF Sweden F3 | 2017/09/27 11:00 | Adrian Bodmer v Fred Simonsson | 7-6,5-7,4-6 |
| ITF Sweden F3 | 2017/09/25 12:00 | Milos Sekulic v Fred Simonsson | 5-7,1-6 |
| ITF Italy F29 | 2017/09/14 15:30 | Fred Simonsson v Riccardo Bonadio | 7-6,1-6,2-6 |
| ITF Italy F29 | 2017/09/13 13:00 | Andrea Vavassori v Fred Simonsson | 4-6,3-6 |
| ITF Tunisia F33 | 2017/10/31 12:30 | Guy Den Heijer v Gabriel Petit | 3-6,5-7 |
| ITF Tunisia F32 | 2017/10/25 08:30 | Guy Den Heijer v Steven Diez | 3-6,2-6 |
| ITF Tunisia F31 | 2017/10/15 10:30 | Guy Den Heijer v Vlad Andrei Dancu | 2-6,6-1,4-6 |
| ITF Belgium F12 | 2017/09/06 12:00 | Guy Den Heijer v Clement Geens | 3-6,5-7 |
| ITF Netherlands F7 | 2017/09/01 09:00 | Robin Stanek v Guy Den Heijer | 7-6,6-0 |
| ITF Netherlands F7 | 2017/08/30 11:20 | Guy Den Heijer v Colin Van Beem | 6-4,6-3 |
| ITF Netherlands F7 | 2017/08/29 10:15 | Guy Den Heijer v Floris Van Den Brink | 6-1,6-1 |
| ITF Netherlands F6 | 2017/08/21 08:00 | Gijs Brouwer v Guy Den Heijer | 6-3,7-5 |