Satsuki Koike defeated Kanako Osafune 6-2 2-6 10-3 in the W25 Makinohara qualifying round of 32 on grass. The result followed the form book — Satsuki Koike came in leading the head-to-head 1–0. Satsuki Koike extended the head-to-head to 2–0.
Koike S. came through in three sets.
Grass: Koike S. leads 1–0 · Hard: Koike S. leads 1–0
Satsuki Koike beat Kanako Osafune 6-2 2-6 10-3. Umpiry, "Satsuki Koike vs Kanako Osafune — W25 Makinohara Qualifying Round of 32", https://umpiry.com/match/2019-10-07/koike-vs-osafune-w25-makinohara-q32?utm_source=cite (as of 7 October 2019).