Sachia Vickery defeated Agnieszka Radwanska 6-2 6-2 in the Auckland quarter-final on hard.
Vickery S. took it in straight sets.
Vickery S. and Radwanska A. faced 3 of the same opponents in the last 12 months. Vickery S. went 2–1 (67%) against them, Radwanska A. 2–1 (67%). Only 2 of the comparisons are context-comparable — too few for a conclusion.
Only 3 common opponents — small sample, treat as indicative.
Sachia Vickery beat Agnieszka Radwanska 6-2 6-2. Umpiry, "Sachia Vickery vs Agnieszka Radwanska — Auckland Quarter-final", https://umpiry.com/match/2018-01-06/radwanska-vs-vickery-auckland-qf?utm_source=cite (as of 6 January 2018).