09:37 CET - Second seed Jessica Pegula (30) has been dumped out by Xinyu Wang (23) in Wuhan, with the home favourite securing an impressive 6-3, 7-5 triumph.
Meanwhile, Magda Linette (32) and Ekaterina Alexandrova (29) have booked their spots in the quarter-finals after straight-set wins over Daria Kasatkina (27) and Hailey Baptiste (22) respectively.
07:30 CET - Good morning and welcome back to the Tennis Tracker! It is a stellar day of action in China, with the first two men's quarter-finals set to take place in Shanghai. At 09:00 CET, world No.1 Jannik Sinner (23) takes on Daniil Medvedev (28), before Carlos Alcaraz (21) faces Tomas Machac (23).
Meanwhile, the last 16 is already underway in Wuhan, with Coco Gauff (20) continuing her impressive form, sweeping aside Marta Kostyuk (22) 6-4, 6-1 for an eighth consecutive victory.
Aryna Sabalenka (26), Jessica Pegula (30) and Qinwen Zheng (22) are also all in action today.