GRAPEVINE (AP) Kateryna Bondarenko routed second-seeded Dominikia Cibulkova 6-3, 6-1 on Wednesday in the second round of the Texas Open.
American Melanie Oudin was knocked out, too, falling 6-3, 6-2 to Angelique Kerber.
In doubles quarterfinals, the top two seeds lost.
The No. 1 tandem of Johanna Larsson and Jasmin Woehr lost to Alize Cornet and Pauline Parmentier, and the No. 2 duo of Andreja Klepac and Tatiana Poutchek fell to Alberta Brianti and Sorana Cirstea.
(Copyright 2011 by The Associated Press. All Rights Reserved.)