Z. Sonmez leads the head-to-head 2-1 since 2018 against S. Bejlek, over 3 matches.
| Surface | Z. Sonmez | S. Bejlek |
|---|---|---|
| Grass | 1 | 0 |
| Hard | 0 | 1 |
| Clay | 1 | 0 |
| Date | Winner | Score | Event |
|---|---|---|---|
| June 24, 2026 | Z. Sonmez | Walk Over | Eastbourne · 1/8-finals · grass |
| Feb. 15, 2026 | S. Bejlek | 2 - 0 | WTA Dubai · 1/32-finals · hard |
| Sept. 8, 2021 | Z. Sonmez | 2 - 0 | W25 Frydek Mistek · 1/16-finals · clay |