Head-to-Head
Overview
Anna Siskova and T. Kostovic have met 1 time so far, all in 2026. T. Kostovic leads 1–0. Their first encounter was at the 2026 W100 Amstetten (Austria) (SF), won by T. Kostovic.
By surface
- clay0 – 1
Anna Siskova and T. Kostovic have met 1 time so far, all in 2026. T. Kostovic leads 1–0. Their first encounter was at the 2026 W100 Amstetten (Austria) (SF), won by T. Kostovic.