Stadium: Court 3 Round: 25 Ground: Clay
| ITF Finland F3 | 2017/08/16 10:00 | Karl Friberg v Patrik Niklas-Salminen | 6-2,3-6,6-2 |
| ITF Belgium F12 | 2017/09/08 08:00 | Jonas Merckx v Patrik Niklas-Salminen | 6-2,6-3 |
| ITF Belgium F12 | 2017/09/07 10:40 | Stijn Slump v Patrik Niklas-Salminen | 2-6,1-6 |
| ITF Belgium F12 | 2017/09/05 10:55 | Patrik Niklas-Salminen v Michiel de Krom | 7-5,6-4 |
| ITF Hungary F7 | 2017/08/29 12:30 | Enrique Lopez-Perez v Patrik Niklas-Salminen | 6-2,4-6,6-2 |
| ITF Finland F3 | 2017/08/16 10:00 | Karl Friberg v Patrik Niklas-Salminen | 6-2,3-6,6-2 |
| ITF Finland F3 | 2017/08/15 10:10 | Patrik Niklas-Salminen v Mattias Siimar | 6-4,7-6 |
| 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 |
| ATP Stockholm Qual | 2017/10/15 09:00 | Marton Fucsovics v Karl Friberg | 6-0,6-3 |
| ITF Sweden F4 | 2017/10/04 14:25 | Joao Menezes v Karl Friberg | 6-3,6-4 |
| ITF Sweden F4 | 2017/10/02 13:35 | Karl Friberg v Kenneth Raisma | 6-2,6-1 |
| ITF Sweden F4 Qual | 2017/10/01 08:00 | Karl Friberg v Niklas Johansson | 6-2,6-1 |
| ITF Sweden F4 Qual | 2017/09/30 08:00 | Karl Friberg v Leonard Von Hindte | 6-3,6-3 |
| ITF Sweden F3 | 2017/09/25 08:00 | Daniel Appelgren v Karl Friberg | 6-1,6-3 |
| ITF Finland F3 | 2017/08/18 11:35 | Jurgen Zopp v Karl Friberg | 6-2,6-0 |
| ITF Finland F3 | 2017/08/17 08:00 | Karl Friberg v Jonas Eriksson Ziverts | 6-4,6-2 |