Sebastian Sorger defeated J. Kupcic 7-5 7-6 in the M15 Celje 1 round of 16 on clay. Sebastian Sorger extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-11-01 | M15 Monastir 44 | R32 | hard | J. Kupcic | 6-2 6-4 |
| 2023-02-19 | M15 Sharm ElSheikh 4 | Q64 | hard | Sebastian Sorger | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.