Novak Djokovic raised new injury concerns when he called the physio deep into the second set of his Shanghai Masters semi-final. The world No. 4 started to stretch his hip and glutes out as the match went on. And he received a medical time-out to treat the area while trailing 5-6 on serve in the second set.

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 dug out a 6-7(4) 6-1 6-4 win over Czech Jakub Mensik on Friday to advance to the semi-finals of the Shanghai Masters, where he will face Taylor Fritz. The four-times Shanghai champion managed to raise his level after losing the first set on a tiebreak and never looked back as he beat his 19-year-old opponent to enter the semi-finals for a ninth time.