Stadium: Court 20 Round: 25 Ground: Hardcourt outdoor
| ITF Vietnam F4 | 2018/10/23 05:30 | Karl Friberg v Filip Bergevi | 3-6,2-6 |
| ITF M15 Parnu | 2021/10/28 07:00 | Filip Bergevi v Iiro Vasa | 6-3,5-7,4-6 |
| ITF M15 Parnu | 2021/10/27 09:50 | Filip Bergevi v Eero Vasa | 6-3,5-7,6-1 |
| ITF M25 Hamburg | 2021/10/19 12:45 | Jakub Paul v Filip Bergevi | 6-4,6-3 |
| ITF M25 Hamburg | 2021/10/17 13:55 | Filip Bergevi v George Houghton | 6-4,7-6 |
| ITF M25 Hamburg | 2021/10/17 07:55 | Filip Bergevi v Mikhail Minakov | 6-3,7-5 |
| ITF M25 Falun | 2021/09/28 11:00 | Yuta Shimizu v Filip Bergevi | 6-3,7-5 |
| ITF M25 Jonkoping | 2021/09/23 09:30 | Shintaro Imai v Filip Bergevi | 6-4,7-6 |
| ITF M25 Jonkoping | 2021/09/22 09:30 | Daniel Little v Filip Bergevi | 6-7,6-2,5-7 |
| ITF M25 Falun | 2021/09/27 09:20 | Karl Friberg v Daniel Little | 1-6,2-6 |
| ITF M25 Falun | 2021/09/26 11:00 | Karl Friberg v Felipe Mikkelsen | 6-1,6-1 |
| ITF M25 Jonkoping | 2021/09/21 12:20 | Evgeny Karlovskiy v Karl Friberg | 6-4,6-1 |
| ITF M15 Ulcinj | 2021/09/16 09:50 | Rrezart Cungu v Karl Friberg | 6-1,6-3 |
| ITF M15 Ulcinj | 2021/09/14 08:00 | Karl Friberg v Petar Jovanovic | 6-3,6-0 |
| ITF M15 Ulcinj | 2021/09/07 10:55 | Karl Friberg v Antonio Massara | 2-6,3-6 |
| ITF M15 Frederiksberg | 2021/08/03 10:05 | Sebastian Prechtel v Karl Friberg | 6-1,6-1 |
| ITF M15 Vejle | 2021/07/30 13:00 | Ergi Kirkin v Karl Friberg | 6-3,6-0 |