U.S. Open 2015 Day 8SI Staff|Share on FacebookShare on XAdd us as a preferred sourceU.S. Open 2015 Day 8U.S. Open 2015 Day 8 Stan Wawrinka JEWEL SAMAD/AFP/Getty Images Varvara LepchenkoKENA BETANCUR/AFP/Getty Images Victoria Azarenka Mike Stobe/Getty Images for the USTA Victoria Azarenka Streeter Lecka/Getty Images Sabine LisickiTIMOTHY A. CLARY/AFP/Getty Images Stan Wawrinka Mike Stobe/Getty Images for the USTA Donald YoungElsa/Getty Images Sabine LisickiTIMOTHY A. CLARY/AFP/Getty Images Simona Halep JEWEL SAMAD/AFP/Getty Images Simona Halep JEWEL SAMAD/AFP/Getty ImagesAdd us as a preferred source on GoogleFollowPublished Sep 7, 2015 | Modified Sep 7, 2015SI STAFFShare on FacebookShare on XHome/Tennis