Day 2 was full of comeback wins, including Mandy Minella's 36 76(4) 62 edging of Vesna Dolonc.
There was no such comeback for Anna Schmiedlova's opponent, the No.5 seed, Alizé Cornet.
Cornet fought her hardest but Schmiedlova was just too tough in every way, cruising to a 63 60 win.
In another kind of comeback, Kaia Kanepi played her first match in more than six months - and won.
Irina-Camelia Begu pulled off the comeback of the day, beating Mathilde Johansson, 57 76(5) 61.
Johansson held three match points on Begu's serve at 5-4 in the second set but couldn't convert.
Tsvetana Pironkova was on the wrong end of a comeback, falling to Shahar Peer, 57 76(4) 76(4).
Julia Goerges won the first set but lost the second and had to retire with dizziness in the third.
The comeback theme kind of continued Wednesday, Annika Beck winning her match from a set down.
Klara Zakopalova has been playing the best tennis of her career lately, now at a high of No.21.
And the Czech No.2 looked headed for a second round win against Maria Elena Camerin on Wednesday.
But the Italian qualifier wouldn't give in, coming back from 3-1 down in the third to win, 75 36 63.
Czech wildcard Karolina Pliskova ended Kaia Kanepi's comeback tournament with a 75 63 triumph.
Kiki Bertens looked strong against Roberta Vinci on Thursday but fell to the No.2 seed, 26 63 64.
And No.1 seed Petra Kvitova wrapped up the second round winners Thursday, defeating Minella, 75 62.