Stadium: Court 8 Round: 26 Ground: Clay
| ITF Finland F3 | 2017/08/15 11:00 | Taylor, Sam v Karl Friberg | 0-6,2-6 |
| ITF Finland F2 | 2017/08/10 09:00 | Karl Friberg v Cagnina, Julien | 3-6,3-6 |
| ITF Finland F2 | 2017/08/08 08:55 | Karl Friberg v Mora, Maxime | 2-6,7-6,6-2 |
| Challenger Bastad Qual | 2017/07/08 08:00 | Karl Friberg v Lucas Renard | 6-2,2-6,6-7 |
| ITF Poland F3 Qual | 2017/06/26 09:00 | Karl Friberg v Siimar, Mattias | 4-6,6-2,0-6 |
| ITF Poland F3 Qual | 2017/06/25 08:00 | Karl Friberg v Borkowski, Mikolaj | 6-4,6-2 |
| ITF Poland F2 | 2017/06/17 08:00 | Orkin, Elliott v Karl Friberg | 6-4,1-6,7-5 |
| ITF Poland F1 | 2017/06/13 08:00 | Mariano Kestelboim v Karl Friberg | 6-4,6-0 |
| ITF Finland F3 | 2017/08/15 10:10 | Niklas-Salminen, Patrick v Siimar, Mattias | 6-4,7-6 |
| ITF Finland F2 | 2017/08/08 12:35 | Niklas-Salminen, Patrick v Matias Franco Descotte | 4-6,7-6,4-6 |
| ITF Finland F1 Qual | 2017/07/29 07:30 | Niklas-Salminen, Patrick v Jonhagen, Johan | 6-7,0-6 |
| Challenger Tampere Qual | 2017/07/22 12:15 | Niklas-Salminen, Patrick v Londero, Juan Ignacio | 2-6,4-6 |
| Challenger Tampere Qual | 2017/07/22 08:30 | Pollanen, Aaro v Niklas-Salminen, Patrick | 6-7,6-7 |
| Challenger Lisbon Qual | 2017/06/10 16:10 | Goncalo Falcao v Niklas-Salminen, Patrick | 6-3,6-4 |
| Challenger Mestre Qual | 2017/05/20 13:25 | Hubert Hurkacz v Niklas-Salminen, Patrick | 6-1,6-3 |
| ITF Italy F13 | 2017/05/16 11:00 | Niklas-Salminen, Patrick v Trusendi, Walter | 1-6,0-6 |