Elina Svitolina defeated Petra Kvitova 6-7 7-5 6-2 in the Stuttgart quarter-final on clay. The upset overturned the form book — Petra Kvitova came in leading the head-to-head 7–3. Elina Svitolina narrowed the head-to-head to 7–4.
Svitolina E. came through in three sets.
Svitolina E. and Kvitova P. faced 5 of the same opponents in the last 12 months. Svitolina E. went 5–1 (83%) against them, Kvitova P. 3–3 (50%). Svitolina E. came out clearly better against 3 of 5 comparable opponents, Kvitova P. against 1 — though 1 of those edges carries caveats (retirement).
Clay: Svitolina E. leads 1–0 · Hard: Kvitova P. leads 7–3
Elina Svitolina beat Petra Kvitova 6-7 7-5 6-2. Umpiry, "Elina Svitolina vs Petra Kvitova — Stuttgart Quarter-final", https://umpiry.com/match/2021-04-19/kvitova-vs-svitolina-stuttgart-qf?utm_source=cite (as of 19 April 2021).