US tennis player Frances Tiafoe has apologized for his profanity-laden outburst directed at an umpire after a defeat at the Shanghai Masters.

I really apologize for the way I acted tonight. That is not who I am and not how I ever want to treat people," Tiafoe wrote on social media

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.

Tiafie launched into an f-bomb laden rant against umpire Jimmy Pinoargote after losing to Safiullin in Shanghai.

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

American tennis star Frances Tiafoe has apologized for his behavior at the ATP Shanghai Masters after he berated the chair umpire after losing in the third round. Tiafoe was angry that he had been given a pair of time violations,

U.S. Open semifinalist Frances Tiafoe apologized for a massive outburst following his third round loss at the Shanghai Masters on Tuesday where he cursed out a chair umpire.

U.S. Open semifinalist Frances Tiafoe cursed repeatedly at a chair umpire after losing a match at the Shanghai Masters.