Karl Friberg defeated Jonas Eriksson Ziverts 6-4 6-2 in the M15 Bastad 2 round of 32 on clay. Karl Friberg extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-09-22 | M25 Falun 1 | R32 | hard | Jonas Eriksson Ziverts | 7-6(3) 6-4 |
| 2017-08-14 | Finland F3 | QF | clay | Karl Friberg | 6-4 6-2 |