Stadium: Center Round: 25 Ground: Clay
| ITF Finland F2 | 2017/08/08 12:35 | Patrik Niklas-Salminen v Matias Franco Descotte | 4-6,7-6,4-6 |
| ITF Finland F1 Qual | 2017/07/29 07:30 | Patrik Niklas-Salminen v Johan Jonhagen | 6-7,0-6 |
| Challenger Tampere Qual | 2017/07/22 12:15 | Patrik Niklas-Salminen v Juan Ignacio Londero | 2-6,4-6 |
| Challenger Tampere Qual | 2017/07/22 08:30 | Aaro Pollanen v Patrik Niklas-Salminen | 6-7,6-7 |
| Challenger Lisbon Qual | 2017/06/10 16:10 | Goncalo Falcao v Patrik Niklas-Salminen | 6-3,6-4 |
| Challenger Mestre Qual | 2017/05/20 13:25 | Hubert Hurkacz v Patrik Niklas-Salminen | 6-1,6-3 |
| ITF Italy F13 | 2017/05/16 11:00 | Patrik Niklas-Salminen v Walter Trusendi | 1-6,0-6 |
| ITF Italy F13 | 2017/05/14 07:00 | Patrik Niklas-Salminen v Kirill Kivattsev | 7-6,7-5 |
| ITF Finland F1 | 2017/08/03 11:40 | Mattias Siimar v Luca Gelhardt | 6-4,1-6,6-7 |
| 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 |