| ITF Sweden F1 | 2017/05/11 08:15 | Jan Choinski v Karl Friberg | 4-6,6-1,6-4 |
| ITF Sweden F1 | 2017/05/10 08:15 | Karl Friberg v Lucas Renard | 6-2,6-4 |
| ITF Sweden F1 | 2017/05/08 10:30 | Fred Simonsson v Karl Friberg | 4-6,5-7 |
| ITF Croatia F3 | 2017/03/19 08:30 | Karl Friberg v Paul Woerner | 1-6,1-6 |
| ITF Croatia F3 | 2017/03/18 08:00 | Dorozhkin, Sergey v Karl Friberg | 3-6,4-6 |
| ITF Sweden F5 | 2016/10/05 14:40 | Alexander Bublik v Karl Friberg | 6-3,1-6,6-3 |
| ITF Sweden F5 | 2016/10/04 12:00 | Solberg, Christoffer v Karl Friberg | 4-6,6-2,6-7 |
| ITF Sweden F4 | 2016/09/28 08:00 | Karl Friberg v Moraing, Mats | 1-6,1-6 |
| ATP Munich Qual | 2017/04/30 10:35 | Jahn, Jeremy v Jozef Kovalik | 5-7,3-6 |
| Challenger - Francavilla | 2017/04/24 13:55 | Jahn, Jeremy v Alexander Bublik | 6-7,3-6 |
| Challenger - Barletta | 2017/04/11 08:00 | Marco Cecchinato v Jahn, Jeremy | 6-0,6-1 |
| Challenger Barletta Qual | 2017/04/10 08:00 | Jahn, Jeremy v Maxime Janvier | 6-4,6-3 |
| Challenger Barletta Qual | 2017/04/09 09:00 | Jahn, Jeremy v Portaluri, Giorgio | 6-2,6-1 |
| Challenger Sophia Antipolis Qual | 2017/04/03 13:10 | Skugor, Franko v Jahn, Jeremy | 6-2,6-4 |
| Challenger Sophia Antipolis Qual | 2017/04/03 10:10 | Jankovits, Yannick v Jahn, Jeremy | 7-6,0-0 |
| Challenger Sophia Antipolis Qual | 2017/04/03 09:10 | Jankovits, Yannick v Jahn, Jeremy | 7-6,3-6,0-6 |