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,

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

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