Ekaterina Alexandrova defeated Kristie Ahn 6-7 6-4 6-4 in the Seoul quarter-final on hard. The result followed the form book — Ekaterina Alexandrova came in defending last year's quarter-final.
Alexandrova E. came through in three sets.
Alexandrova E. and Ahn K. faced 4 of the same opponents in the last 12 months. Alexandrova E. went 3–2 (60%) against them, Ahn K. 4–1 (80%). Results against comparable opponents are close (0 : 1 better-results split).
Only 4 common opponents — small sample, treat as indicative.
Ekaterina Alexandrova beat Kristie Ahn 6-7 6-4 6-4. Umpiry, "Ekaterina Alexandrova vs Kristie Ahn — Seoul Quarter-final", https://umpiry.com/match/2019-09-16/ahn-vs-alexandrova-seoul-qf?utm_source=cite (as of 16 September 2019).