Naomi Osaka defeated Galina Voskoboeva 1-6 6-2 6-3 in the KAZ vs JPN round robin on hard.
Osaka N. came through in three sets.
Osaka N. and Voskoboeva G. faced 4 of the same opponents in the last 12 months. Osaka N. went 3–1 (75%) against them, Voskoboeva G. 1–3 (25%). Osaka N. came out better against 2 of 4 comparable opponents, Voskoboeva G. against 0.
Only 4 common opponents — small sample, treat as indicative.
Naomi Osaka beat Galina Voskoboeva 1-6 6-2 6-3. Umpiry, "Naomi Osaka vs Galina Voskoboeva — KAZ vs JPN Round Robin", https://umpiry.com/match/2017-02-11/osaka-vs-voskoboeva-kaz-vs-jpn-rr?utm_source=cite (as of 11 February 2017).