Donna Vekic defeated Karolina Pliskova 6-4 4-6 6-3 in the London quarter-final on grass. The upset overturned the form book — Karolina Pliskova came in leading the head-to-head 7–4. Donna Vekic narrowed the head-to-head to 7–5.
Vekic D. came through in three sets.
Pliskova K. and Vekic D. faced 3 of the same opponents in the last 12 months. Pliskova K. went 1–2 (33%) against them, Vekic D. 1–2 (33%). Only 2 of the comparisons are context-comparable — too few for a conclusion.
Only 3 common opponents — small sample, treat as indicative.
Grass: level 1–1 · Hard: level 4–4 · Clay: Pliskova K. leads 2–0
Donna Vekic beat Karolina Pliskova 4-6 6-4 3-6. Umpiry, "Karolina Pliskova vs Donna Vekic — London Quarter-final", https://umpiry.com/match/2026-06-12/pliskova-vs-vekic-london-qf?utm_source=cite (as of 12 June 2026).