Belinda Bencic defeated Daria Kasatkina 6-4 6-3 in the St. Petersburg semi-final on hard. The result followed the form book — Belinda Bencic came in ranked #12.
Bencic B. took it in straight sets.
Bencic B. and Kasatkina D. faced 4 of the same opponents in the last 12 months. Bencic B. went 1–4 (20%) against them, Kasatkina D. 3–1 (75%). Results against comparable opponents are close (1 : 2 better-results split).
Only 4 common opponents — small sample, treat as indicative.
Belinda Bencic beat Daria Kasatkina 6-4 6-3. Umpiry, "Belinda Bencic vs Daria Kasatkina — St. Petersburg Semi-final", https://umpiry.com/match/2016-02-13/bencic-vs-kasatkina-st-petersburg-sf?utm_source=cite (as of 13 February 2016).