Venus Williams defeated Shelby Rogers 6-3 6-3 in the Quebec City semi-final on hard.
Williams V. took it in straight sets.
Williams V. and Rogers S. faced 3 of the same opponents in the last 12 months. Williams V. went 2–1 (67%) against them, Rogers S. 0–3 (0%). Williams V. came out better against 2 of 3 comparable opponents, Rogers S. against 0.
Only 3 common opponents — small sample, treat as indicative.
Venus Williams beat Shelby Rogers 6-3 6-3. Umpiry, "Venus Williams vs Shelby Rogers — Quebec City Semi-final", https://umpiry.com/match/2014-09-13/rogers-vs-williams-quebec-city-sf?utm_source=cite (as of 13 September 2014).