Margarita Betova defeated Sara Errani 1-6 7-5 6-1 in the Australian Open round of 128 on hard. The upset overturned the form book — Sara Errani came in defending last year's round of 32.
Betova M. came through in three sets.
Betova M. and Errani S. faced 2 of the same opponents in the last 12 months. Betova M. went 1–1 (50%) against them, Errani S. 1–2 (33%).
Only 2 common opponents — too few for any conclusion. Shown without assessment.
Margarita Betova beat Sara Errani 1-6 7-5 6-1. Umpiry, "Margarita Betova vs Sara Errani — Australian Open Round of 128", https://umpiry.com/match/2016-01-18/betova-vs-errani-australian-open-r128?utm_source=cite (as of 18 January 2016).