Frances Tiafoe directed an expletive-filled tirade at a chair umpire after losing his third-round match Tuesday at the ATP Shanghai Masters event. Tiafoe lost to unseeded Roman Safiullin 5-7, 7-5, 7-6 (5),

Frances Tiafoe issued an apology after cursing out the umpire following his loss to Roman Safiullin in the Shanghai Masters. After shaking Safiullin's

Frances Tiafoe has apologised for his foul-mouthed tirade directed at a chair umpire after the American received a time violation and then lost to Roman Safiullin in the third round of the Shanghai Masters on Tuesday.