WTA roundup: Top seed Qinwen Zheng reaches Tokyo quarter-finals
WTA roundup: Kenin collects upset in Tokyo, top seeds progress in Guangzhou
WTA roundup: Russians Daria Kasatkina and Mirra Andreeva reach semis in China
WTA roundup: Unheralded Ito upsets Cocciaretto at Japan Open, Badosa advances in Ningbo
WTA roundup: Paula Badosa survives tricky opener at Ningbo Open
Ons Jabeur ends Clara Tauson's run to reach French Open quarters
Maria Sakkari romps into Miami third round, Caroline Wozniacki loses in thriller
WTA roundup: Jennifer Brady returns with win in Washington
