Novak Djokovic, pursuing his 100th career title, moves on at the Shanghai Masters with a 6-1, 6-2 win over Flavio Cobolli on Tuesday.

Safiullin upset 13th seed Frances Tiafoe, who launched an expletive-laden rant at the umpire following his 5-7 7-5 7-6 (5) defeat, having been given a time violation at 5-5 in the deciding tie-break.

Novak Djokovic is into the round of 16 at the Shanghai Masters after a comfortable straight-sets win over Flavio Cobolli.