Magda Linette defeated Ekaterina Alexandrova 7-6 7-6 in the Seoul semi-final on hard. The upset overturned the form book — Ekaterina Alexandrova came in ranked #28, defending last year's quarter-final.
Linette M. took it in straight sets.
Linette M. and Alexandrova E. faced 12 of the same opponents in the last 12 months. Linette M. went 5–7 (42%) against them, Alexandrova E. 8–6 (57%). Results against comparable opponents are close (5 : 6 better-results split).
Magda Linette beat Ekaterina Alexandrova 7-6 7-6. Umpiry, "Magda Linette vs Ekaterina Alexandrova — Seoul Semi-final", https://umpiry.com/match/2019-09-16/alexandrova-vs-linette-seoul-sf?utm_source=cite (as of 16 September 2019).