Teodora Kostovic defeated Anna Siskova 6-4 6-3 in the W75 Kursumlijska Banja quarter-final on clay. The result followed the form book — Teodora Kostovic came in ranked #150, leading the head-to-head 2–0. Teodora Kostovic extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-07-25 | W100 Amstetten | SF | clay | Teodora Kostovic | 3-6 6-7(5) |
| 2025-05-23 | W75 Kursumlijska Banja 1 | QF | clay | Teodora Kostovic | 6-4 6-3 |
Averages over each player's completed matches in the selected window (135 vs 128). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About