Round: 44 Ground: Hardcourt outdoor
| ITF Finland F4 | 2017/11/13 08:00 | Alexander Igoshin v Karl Friberg | 0-6,6-4,6-1 |
| ITF Estonia F4 | 2017/11/07 14:35 | Evgeny Tyurnev v Karl Friberg | 7-5,7-6 |
| ITF Estonia F3 | 2017/11/01 11:00 | Karl Friberg v Gregoire Jacq | 4-6,2-6 |
| ITF Estonia F3 | 2017/10/30 09:35 | Patrik Brydolf v Karl Friberg | 6-2,1-6,5-7 |
| ITF Estonia F3 | 2017/10/29 08:00 | Karl Friberg v Aaro Pollanen | 6-1,6-2 |
| ITF Estonia F3 | 2017/10/28 07:00 | Karl Friberg v Martin Valdo Randpere | 6-2,6-4 |
| ITF Estonia F2 | 2017/10/23 10:25 | Patrik Niklas-Salminen v Karl Friberg | 7-6,6-2 |
| ATP Stockholm Qual | 2017/10/15 09:00 | Marton Fucsovics v Karl Friberg | 6-0,6-3 |
| ITF France F22 Qual | 2017/10/01 11:35 | Paul Cayre v Robin Angles | 6-1,6-1 |
| ITF France F22 Qual | 2017/09/30 12:45 | Victor Joly v Robin Angles | 3-6,6-7 |
| ITF France F2 Qual | 2017/01/14 08:30 | Robin Angles v Hugo Pontico | 6-7,1-6 |