The 23-year-old's remarkable run at the ATP 1000 event continued, while the Spaniard's 12-match win streak, which includes a thrilling win over Sinner in Beijing, ends. Machac's three-set victory over Tommy Paul in the round of 16 was impressive, but Thursday's performance was on an entirely different level.

Carlos Alcaraz avenged his Cincinnati defeat to Gael Monfils with a straight-sets success over the veteran to reach the quarter finals of the Shanghai Masters. Monfils got the better of Wimbledon champion Alcaraz at the Cincinnati Masters in August and that loss was followed by a shock early US Open exit for the world number two in the second