Round: 27 Ground: Clay
| ITF Finland F1 | 2017/08/02 10:00 | Mattias Siimar v Aaro Pollanen | 6-4,6-2 |
| ITF Finland F1 | 2017/07/31 07:00 | Alexander Vasilenko v Mattias Siimar | 3-6,6-2,4-6 |
| ITF Estonia F1 | 2017/07/25 13:50 | Mattias Siimar v Arturs Lazdins | 1-6,2-6 |
| ITF Poland F4 | 2017/07/06 10:45 | Mattias Siimar v Samuel Bensoussan | 4-6,2-6 |
| ITF Poland F4 | 2017/07/05 10:40 | Mattias Siimar v Oleg Prihodko | 6-1,4-6,6-0 |
| ITF Poland F4 Qual | 2017/07/03 08:00 | Mattias Siimar v Piotr Grynkowski | 6-2,6-2 |
| ITF Poland F4 Qual | 2017/07/02 13:00 | Mattias Siimar v Kristofer Siimar | 6-3,7-5 |
| ITF Poland F4 Qual | 2017/07/01 13:00 | Mattias Siimar v Alessandro Ingarao | 6-1,6-3 |
| ITF Finland F1 | 2017/08/02 09:40 | Luca Gelhardt v Alexis Gautier | 4-6,6-2,6-3 |
| ITF Estonia F1 | 2017/07/26 09:50 | Luca Gelhardt v Caio Silva | 3-6,3-6 |
| ITF Estonia F1 | 2017/07/24 09:20 | Luca Gelhardt v Julius Tverijonas | 7-6,6-2 |
| ITF Lithuania F1 | 2017/07/20 10:25 | Christian Hirschmueller v Luca Gelhardt | 7-5,6-3 |
| ITF Lithuania F1 | 2017/07/19 11:10 | Arturs Lazdins v Luca Gelhardt | 3-6,2-6 |
| ITF Lithuania F1 | 2017/07/18 10:25 | Luca Gelhardt v Francois-Arthur Vibert | 6-3,6-3 |
| ITF Israel F11 | 2017/06/17 07:00 | Luca Gelhardt v Nevo Gabriely | 6-2,6-1 |
| ITF Israel F10 | 2017/06/14 06:00 | Luca Gelhardt v David Guez | 7-6,3-6,1-6 |