Stadium: Centre Court Round: 25 Ground: Clay
| ITF Sweden F5 | 2016/10/04 12:00 | Christoffer Solberg v Karl Friberg | 4-6,6-2,6-7 |
| ITF M15 Parnu | 2019/07/17 07:00 | Siim Troost v Karl Friberg | 6-3,1-6,7-6 |
| ITF M15 Vilnius | 2019/07/09 13:10 | Denis Klok v Karl Friberg | 6-2,6-3 |
| ITF M15 Den Haag | 2019/07/04 13:10 | Karl Friberg v Matias Zukas | 1-6,1-6 |
| ITF M15 Den Haag | 2019/07/03 13:45 | Takanyi Garanganga v Karl Friberg | 4-6,6-4,6-7 |
| ITF M15 Alkmaar | 2019/06/26 08:00 | Karl Friberg v Bastian Malla | 2-6,3-6 |
| ITF M15 Balatonalmadi | 2019/06/18 10:05 | Karl Friberg v Matyas Fuele | 6-4,3-6,8-10 |
| ITF M15 Balatonalmadi | 2019/06/17 10:30 | Karl Friberg v Marcell Bartakovics | 6-1,6-4 |
| ITF M15 Irpin | 2019/05/30 09:20 | Karl Friberg v Arnaud Bovy | 2-6,2-6 |
| ITF M15 Chitila | 2019/08/02 10:20 | Quentin Folliot v Christoffer Solberg | 6-3,6-1 |
| ITF M15 Chitila | 2019/08/01 13:30 | Christoffer Solberg v Nicolae Frunza | 6-3,6-3 |
| ITF M15 Chitila | 2019/07/31 13:25 | Christoffer Solberg v Vlad Andrei Dumitru | 6-0,7-6 |
| ITF M15 Chitila | 2019/07/30 12:20 | Christoffer Solberg v Martin Dimitrov | 6-4,1-6,11-9 |
| ITF M15 Chitila | 2019/07/30 06:30 | Christoffer Solberg v Filippo Giovannini | 6-2,6-3 |
| ITF M15 Casablanca | 2019/07/22 14:30 | Christoffer Solberg v Nathan Seateun | 4-6,2-6 |
| ITF M15 Casablanca | 2019/07/22 09:00 | Christoffer Solberg v Victor Gurevich | 6-2,6-1 |
| ITF M15 Parnu | 2019/07/15 09:00 | Christoffer Solberg v Eero Vasa | 2-6,1-6 |