Madison Keys advanced when Bethanie Mattek Sands retired 3-2 in the Sydney quarter-final. Madison Keys extended the head-to-head to 4–0.
Keys M. advanced when Mattek Sands B. retired.
Keys M. and Mattek Sands B. faced 8 of the same opponents in the last 12 months. Keys M. went 5–5 (50%) against them, Mattek Sands B. 4–5 (44%). Results against comparable opponents are close (4 : 2 better-results split).
Hard: Keys M. leads 3–0 · Clay: Keys M. leads 1–0