Alison Riske defeated Yanina Wickmayer 6-1 6-1 in the Australian Open round of 64 on hard. The upset overturned the form book — Yanina Wickmayer came in leading the head-to-head 1–0, defending last year's round of 32. Alison Riske claimed a first win over Yanina Wickmayer in two meetings, narrowing the head-to-head to 1–1.
Riske A. took it in straight sets.
Riske A. and Wickmayer Y. faced 5 of the same opponents in the last 12 months. Riske A. went 4–1 (80%) against them, Wickmayer Y. 1–5 (17%). Riske A. came out better against 2 of 3 comparable opponents, Wickmayer Y. against 0 — though 1 of those edges carries caveats (lower-tier event).
Hard: Riske A. leads 1–0 · Grass: Wickmayer Y. leads 1–0