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.

Jakub Mensik will meet Novak Djokovic in the Rolex Shanghai Masters quarterfinals on Thursday, October 10. In terms of serve/return winning percentages over his last 10 tournaments, Mensik has won 73.4% of his games on serve, and 27.2% on return.

Novak Djokovic said Jakub Mensik was one to watch after being forced to fight from a set down to beat the teenager in a dramatic Shanghai Masters quarter-final.