WTA roundup: Danielle Collins continues form with two wins in Charleston
Maria Sakkari romps into Miami third round, Caroline Wozniacki loses in thriller
WTA roundup: Ashlyn Krueger wins first title at Japan Open in Osaka
Resurgent Kenin knocks out Sabalenka on day of upsets in Rome
Siniakova and Krejcikova roar back to win US Open doubles title and clinch 'Golden Slam'