The US star faces a hefty fine after he sent about 10 expletives in the direction of the chair umpire after losing in Shanghai.

U.S. Open semifinalist Frances Tiafoe has aimed a torrent of expletives at the chair umpire after losing a match at the ...

I tossed the ball up!” he protested, repeating several times that he had tossed the ball up for a serve before being called ...

American player Frances Tiafoe apologises for a furious outburst in which he repeatedly swore at the chair umpire after his ...

He was issued a time violation, loss of first serve by Jimmy Pinoargote at 5-5 in a deciding tiebreaker with Roman Safiullin, before losing Tuesday.

Frances Tiafoe apologized following a foul-mouthed outburst at umpire Jimmy Pinoargote during a time violation dispute in the ...

Following Tiafoe's close three-set loss to Roman Safiullin, the American tennis star was heated. After shaking hands with his opponent, Tiafoe began cursing Pinoargote out, and the microphones picked ...

Frances Tiafoe directed an expletive-filled tirade at a chair umpire after losing his third-round match Tuesday at the ATP ...

Frances Tiafoe launched into a foul-mouthed tirade directed at a chair umpire after the American received a time violation ...

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