Fourth and fifth seeds Julia Goerges and Alize Cornet crashed out of the Katowice Open.
Cornet suffered a two-set hammering at the hands of qualifier Anna Schmiedlova, 6-3 6-0, while Germany’s Goerges was forced to retire from her match against American qualifier Jill Craybas while trailing 6-7 (5/7) 6-3 4-1.
There were no such problems for sixth seed Kaia Kanepi, with the Estonian winning 6-1 6-1 against Sandra Zaniewska.
Lucky loser Shahar Peer won 5-7 7-6 (7/4) 7-6 (7/4) against Tsvetana Pironkova in over three hours, Kiki Bertens was a 6-1 6-1 victor over Lara Arruabarrena, while Irina-Camelia Begu beat Mathilde Johansson 5-7 7-6 (7/5) 6-1.
Vesna Dolonc lost to Mandy Minella, while qualifier Maria Elena Camerin beat Jana Cepelova.