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 safely through into the Shanghai Masters fourth round. The four-time champion faced Flavio Cobolli in the second round and scored a 6-1, 6-2 triumph in 63 minutes, enjoying a relaxed day at the office after working hard in the opening match.