Osaka WTA - Singles

Leylah Fernandez downs teen Tereza Valentova to clinch Japan Open title
Top seed Naomi Osaka withdraws from Japan Open quarter-finals due to leg injury
Osaka overcomes physical and emotional turmoil to reach last eight of Japan Open
Tennis Tracker: Berrettini eases through as Fonseca and Raducanu suffer losses
Lamens overcomes Birrell to win Japan Open and first WTA Tour title
WTA roundup: Russians Daria Kasatkina and Mirra Andreeva reach semis in China
WTA roundup: Bogdan scores upset in Osaka, Muchova & Krejcikova win in Ningbo
WTA roundup: Unheralded Ito upsets Cocciaretto at Japan Open, Badosa advances in Ningbo
Naomi Osaka pulls out of home Japan Open due to back injury
Graham Potter replaces Tomasson as head coach of Swedish national team
Tennis Tracker: Khachanov knocked out in Vienna after De Minaur and Bublik claim wins
The Base Line: Sinner laughs all the way to the bank while Rune suffers horror injury
Why there was no love lost between Axelsen and the Chinese World No. 1 at the Denmark Open