Petra Kvitova defeated Daria Saville 6-2 6-2 in the Birmingham round of 16 on grass. The upset overturned the form book — Daria Saville came in leading the head-to-head 2–1, defending last year's quarter-final. That levelled the head-to-head at 2–2.
Kvitova P. took it in straight sets.
Kvitova P. and Saville D. faced 18 of the same opponents in the last 12 months. Kvitova P. went 19–6 (76%) against them, Saville D. 9–11 (45%). Kvitova P. came out better against 7 of 15 comparable opponents, Saville D. against 3 — though 2 of those edges carry caveats (retirement).
Grass: Kvitova P. leads 1–0 · Clay: Saville D. leads 1–0 · Hard: level 1–1
Petra Kvitova beat Daria Saville 6-2 6-2. Umpiry, "Petra Kvitova vs Daria Saville — Birmingham Round of 16", https://umpiry.com/match/2018-06-18/kvitova-vs-saville-birmingham-r16?utm_source=cite (as of 18 June 2018).