Kiki Bertens defeated Arantxa Rus 6-3 6-3 in the Koksijde $25K semi-final on clay.
Bertens K. took it in straight sets.
Bertens K. and Rus A. faced 4 of the same opponents in the last 12 months. Bertens K. went 4–2 (67%) against them, Rus A. 3–1 (75%). Results against comparable opponents are close (1 : 2 better-results split).
Only 4 common opponents — small sample, treat as indicative.