Shanghai Masters: Tiafoe swears at umpire in furious rant after loss to Safiullin

Unseeded Safiullin beat 13th seed Tiafoe 5-7, 7-5, 7-6(5) where the American initially lost his cool when he received a time violation while serving with the score tied at 5-5 during the final set tiebreak.

Shanghai Masters: Tiafoe swears at umpire in furious rant after loss to Safiullin
Unseeded Safiullin beat 13th seed Tiafoe 5-7, 7-5, 7-6(5) where the American initially lost his cool when he received a time violation while serving with the score tied at 5-5 during the final set tiebreak.