Kvitova, Halep advance to semifinals at New Haven OpenAuthor:SI StaffPublish date:Aug 22, 2013 Petra Kvitova, seeded No. 7 at the U.S. Open starting next week, topped Anastasia Pavlyuchenkova 2-6, 6-2, 7-5.Fred Beckham/APCopyright 2014 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.