Daria Kasatkina defeated Alison Riske 6-1 2-6 6-3 in the Wuhan round of 64 on hard. The result followed the form book — Daria Kasatkina came in defending last year's round of 16.
Kasatkina D. came through in three sets.
Kasatkina D. and Riske A. faced 3 of the same opponents in the last 12 months. Kasatkina D. went 3–2 (60%) against them, Riske A. 1–2 (33%). Kasatkina D. came out better against 2 of 3 comparable opponents, Riske A. against 0 — though 1 of those edges carries caveats (retirement).
Only 3 common opponents — small sample, treat as indicative.
Daria Kasatkina beat Alison Riske 6-1 2-6 6-3. Umpiry, "Daria Kasatkina vs Alison Riske — Wuhan Round of 64", https://umpiry.com/match/2017-09-25/kasatkina-vs-riske-wuhan-r64?utm_source=cite (as of 25 September 2017).