Anastasia Potapova defeated Karolina Muchova 1-6 7-6 6-0 in the Brisbane qualifying final on hard. The upset overturned the form book — Karolina Muchova came in ranked #8.
Potapova A. came through in three sets.
Anastasia Potapova beat Karolina Muchova 1-6 7-6 6-0. Umpiry, "Anastasia Potapova vs Karolina Muchova — Brisbane Qualifying Final", https://umpiry.com/match/2018-12-31/muchova-vs-potapova-brisbane-q3?utm_source=cite (as of 31 December 2018).