Round: 25 Ground: Hardcourt indoor
| 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 Poland F3 | 2017/06/28 09:00 | Mattias Siimar v Markus Eriksson | 2-6,1-6 |
| ITF Poland F3 | 2017/06/27 14:10 | Mattias Siimar v Kris Krawcewicz | 6-3,6-2 |
| ITF Poland F3 Qual | 2017/06/26 09:00 | Karl Friberg v Mattias Siimar | 4-6,6-2,0-6 |
| ITF Estonia F1 | 2017/07/23 07:00 | Robin Erik Parts v Arturs Lazdins | 3-6,1-6 |
| ITF Lithuania F1 | 2017/07/19 11:10 | Arturs Lazdins v Luca Gelhardt | 3-6,2-6 |
| ITF Lithuania F1 | 2017/07/18 12:25 | Mikhail Galyamov v Arturs Lazdins | 6-7,4-6 |
| ITF Portugal F9 | 2017/06/24 10:30 | Afonso Salgado v Arturs Lazdins | 6-4,6-2 |
| ITF Egypt F10 | 2017/03/22 08:50 | Arturs Lazdins v Youssef Hossam | 1-6,3-6 |
| ITF Egypt F9 | 2017/03/11 08:00 | Alexander Merino v Arturs Lazdins | 7-5,7-6 |
| ITF Egypt F8 | 2017/03/08 12:50 | Arturs Lazdins v Maxime Pauwels | 6-3,2-6,6-7 |
| ITF Egypt F7 | 2017/03/01 12:20 | Arturs Lazdins v Francis Casey Alcantara | 5-7,3-6 |