Starting at 11am
ZHANG Shuai (CHN)  v Petra KVITOVA (CZE) 
Mihaela BUZARNESCU (ROU)  v Samantha STOSUR (AUS) or Camila GIORGI (ITA)
Nicole MELICHAR (USA) / Kveta PESCHKE (CZE)  v Mihaela BUZARNESCU (ROU) / Lidziya MAROZAVA (BLR)
Buzarnescu and Giorgi have never played each other before.
Zhang and Kvitova have played each other four times before - and have equal wins. Zhang won the most recent meeting in straight sets, back in 2017 at New Haven.
Zhang has never before made it past the Round of 16 in Prague.
This is Buzarnescu's first appearance at this tournament.
Giorgi has reached the quarterfinals here for the last two years. In 2017 she lost to eventual champion Mona Barthel 7-6(0), 7-6(6); in 2016 she lost to Karolina Pliskova 6-2, 6-1.