Daniella Medvedeva defeated Ania Hertel 6-4 1-6 6-0 in the Warsaw qualifying round of 32 on clay. The upset overturned the form book — Ania Hertel came in defending last year's round of 32, but Daniella Medvedeva had been the form player, winning 5 of their last 8 on clay.
Medvedeva D. came through in three sets.
Daniella Medvedeva beat Ania Hertel 6-4 1-6 6-0. Umpiry, "Daniella Medvedeva vs Ania Hertel — Warsaw Qualifying Round of 32", https://umpiry.com/match/2018-08-05/hertel-vs-medvedeva-warsaw-q32?utm_source=cite (as of 5 August 2018).