Karl Friberg defeated Jack Karlsson Wistrand 6-3 6-0 in the M15 Kalmar 1 round of 32 on clay. The result followed the form book — Karl Friberg came in leading the head-to-head 1–0. Karl Friberg extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-09-26 | M25 Falun 1 | R32 | hard | Karl Friberg | 6-3 7-6(6) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.