Round: 25 Ground: Hardcourt indoor
| ITF Lithuania F1 | 2017/07/20 10:25 | Hirschmueller, Christian v Gelhardt, Luca | 7-5,6-3 |
| ITF Lithuania F1 | 2017/07/19 11:10 | Lazdins, Arturs v Gelhardt, Luca | 3-6,2-6 |
| ITF Lithuania F1 | 2017/07/18 10:25 | Gelhardt, Luca v Vibert, Francois Arthur | 6-3,6-3 |
| ITF Israel F11 | 2017/06/17 07:00 | Gelhardt, Luca v Gabriely, Nevo | 6-2,6-1 |
| ITF Israel F10 | 2017/06/14 06:00 | Gelhardt, Luca v Guez, David | 7-6,3-6,1-6 |
| ITF Israel F10 | 2017/06/13 11:05 | Gelhardt, Luca v Zonder, Ido | 6-2,6-0 |
| ITF Israel F10 | 2017/06/12 07:00 | Gelhardt, Luca v Yeshaya, Omer | 6-1,6-2 |
| ITF Israel F9 | 2017/06/08 06:30 | Bulis, Mor v Gelhardt, Luca | 6-3,6-1 |
| ITF Estonia F1 | 2017/07/22 13:00 | Tverijonas, Julius v Tiainen, Hermanni | 6-2,6-1 |
| ITF Lithuania F1 | 2017/07/20 09:00 | Polyakov, Vladimir v Tverijonas, Julius | 7-6,6-2 |
| ITF Lithuania F1 | 2017/07/17 09:00 | Tverijonas, Julius v Davydov, Ivan | 6-2,7-5 |
| ITF Poland F5 | 2017/07/12 12:40 | Elliot Benchetrit v Tverijonas, Julius | 6-3,6-4 |
| ITF Poland F5 Qual | 2017/07/10 10:20 | Tverijonas, Julius v Vilaro, Alan | 6-1,6-1 |
| ITF Poland F5 Qual | 2017/07/09 08:00 | Tverijonas, Julius v Kyrychenko, Oleksander | 6-1,6-3 |
| ITF Poland F5 Qual | 2017/07/08 07:00 | Tverijonas, Julius v Nazaruk, Dominik | 6-3,6-3 |
| ITF Poland F4 Qual | 2017/07/02 08:00 | Tverijonas, Julius v Zielinski, Przemyslaw | 6-4,6-1 |