WTA roundup: Danielle Collins continues form with two wins in Charleston
WTA roundup: Russian teen Shnaider wins opener at Guangzhou against Liu
WTA roundup: Ashlyn Krueger wins first title at Japan Open in Osaka
WTA roundup: Liudmila Samsonova continues DC title defence with Sorana Cirstea victory
WTA roundup: Jennifer Brady returns with win in Washington
