Anastasia Pavlyuchenkova defeated Alison Riske 6-4 6-0 in the Stanford round of 16 on hard. The upset overturned the form book — Alison Riske came in leading the head-to-head 2–0. Anastasia Pavlyuchenkova claimed a first win over Alison Riske in three meetings, narrowing the head-to-head to 2–1.
Pavlyuchenkova A. took it in straight sets.
Pavlyuchenkova A. and Riske A. faced 8 of the same opponents in the last 12 months. Pavlyuchenkova A. went 8–4 (67%) against them, Riske A. 2–6 (25%). Pavlyuchenkova A. came out better against 4 of 7 comparable opponents, Riske A. against 0.
Hard: level 1–1 · Grass: Riske A. leads 1–0
Anastasia Pavlyuchenkova beat Alison Riske 6-4 6-0. Umpiry, "Anastasia Pavlyuchenkova vs Alison Riske — Stanford Round of 16", https://umpiry.com/match/2017-08-03/pavlyuchenkova-vs-riske-stanford-r16?utm_source=cite (as of 3 August 2017).