Daria Kasatkina defeated Laura Siegemund 3-6 6-2 6-1 in the Charleston semi-final on clay. The result followed the form book — Daria Kasatkina came in leading the head-to-head 2–1, defending last year's quarter-final. Daria Kasatkina extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-02-15 | Dubai | R64 | hard | Daria Kasatkina | 6-2 6-3 |
| 2018-10-01 | Beijing | R64 | hard | Laura Siegemund | 6-3 4-2 RET |
| 2016-02-08 | St. Petersburg | R16 | hard | Daria Kasatkina | 6-3 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Kasatkina D.: 9 days rest · 3 matches (14d) · Siegemund L.: 12 days rest · 1 match (14d). Higher means fresher. About