Marta Kostyuk defeated Anastasia Potapova 6-2 1-6 6-1 in the Madrid semi-final on clay. The result followed the form book — Marta Kostyuk came in ranked #10, defending last year's quarter-final. Marta Kostyuk moved ahead in the head-to-head, 3–2.
Kostyuk M. came through in three sets.
Kostyuk M. and Potapova A. faced 8 of the same opponents in the last 12 months. Kostyuk M. went 7–4 (64%) against them, Potapova A. 4–7 (36%). Results against comparable opponents are close (2 : 1 better-results split).
Clay: Kostyuk M. leads 2–0 · Hard: level 1–1 · Grass: Potapova A. leads 1–0
Marta Kostyuk beat Anastasia Potapova 6-2 1-6 6-1. Umpiry, "Marta Kostyuk vs Anastasia Potapova — Madrid Semi-final", https://umpiry.com/match/2026-04-30/kostyuk-vs-potapova-madrid-sf?utm_source=cite (as of 30 April 2026).