Czech eighth seed Pliskova, 29, rescued the first set from 2-5 down against the French Open semi-finalist, winning the subsequent five games. She went on to claim a 7-5, 6-4 victory against world number 47 Zidansek, 23.
Currently ranked 13th in the world, 2016 US Open finalist Pliskova faces Croatia’s Donna Vekic next.
Vekic, 25, beat Russian Anastasia Potapova 6-1, 6-4 in her match. (BBC)