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

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

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

Frances Tiafoe puts his head in his hands as he leaves Arthur Ashe Stadium after losing his match against Taylor Fritz on day twelve of the U.S. Open tennis tournament at the USTA Billie Jean King National Tennis Center. Mandatory Credit: Mike Frey-Imagn Images / Mike Frey-Imagn Images

Frances Tiafoe launched into a 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.

Frances Tiafoe got involved in a heated argument with the umpire over a controversial call made at a crucial stage of the match.

The US Open semi-finalist was given a time violation at 5-5 in the deciding tiebreak as he lost to Roman Safiullin

Frances Tiafoe expressed his frustration at the umpire during the Shanghai Masters after receiving a time violation.

Frances Tiafoe let rip at the umpire as he was hit with a time violation en route to his loss in the Shanghai Masters, with the American using foul language in a shock outburst

Frances Tiafoe screamed "f*** you" at the umpire as he lost a close three-setter at the Shanghai Masters. The American appeared calm as he shook hands with Roman Safiullin after losing a three-hour thriller in a final set tiebreak.

The Shanghai Masters is turning into a hotbed of controversy as ATP stars clash not only with each other but with officials. With back-to-back days of scheduling chaos already frustrating players, the drama escalated when American tennis star Frances Tiafoe’s outburst against a chair umpire took center stage.