Cramped-up Jannik Sinner retires from Shanghai Masters match with Tallon Griekspoor
Rested Sabalenka 'ready to go' in Wuhan as battle with Swiatek for top spot heats up
The Base Line: Anisimova clinches Beijing title as Alcaraz and Sinner continue domination
Tennis Tracker: Anisimova wins China Open, Djokovic through in Shanghai, Sinner retires