Novak Djokovic fought through a knee problem to defeat Taylor Fritz 6-4, 7-6 (8/6) in an "incredible fight" on Saturday, setting up a blockbuster Shanghai Masters final with world number one Jannik Sinner.

Novak Djokovic moved a step closer to his 100th ATP title on Saturday when he beat American seventh seed Taylor Fritz 6-4 7-6(6) in the Shanghai Masters semi-finals to set up a title decider against top-ranked Jannik Sinner.

Top-ranked Jannik Sinner will chase his seventh ATP title of the year in the Shanghai Masters final after beating Tomas Machac 6-4, 7-5.