Tamara Korpatsch defeated Anastasia Potapova 6-3 3-6 6-1 in the Lausanne round of 16 on clay. The upset overturned the form book — Anastasia Potapova came in ranked #25.
Korpatsch T. came through in three sets.
Tamara Korpatsch beat Anastasia Potapova 6-3 3-6 6-1. Umpiry, "Tamara Korpatsch vs Anastasia Potapova — Lausanne Round of 16", https://umpiry.com/match/2019-07-18/korpatsch-vs-potapova-lausanne-r16?utm_source=cite (as of 18 July 2019).