Urszula Radwanska defeated Alison Riske 6-4 1-6 6-2 in the Australian Open round of 128 on hard. The upset overturned the form book — Alison Riske came in leading the head-to-head 1–0, defending last year's round of 128, but Urszula Radwanska had been the form player, winning 3 of their last 7 on hard. Urszula Radwanska claimed a first win over Alison Riske in two meetings, narrowing the head-to-head to 1–1.
Radwanska U. came through in three sets.
Radwanska U. and Riske A. faced 1 of the same opponent in the last 12 months. Radwanska U. went 0–1 (0%) against them, Riske A. 0–1 (0%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.