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

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.

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

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

Roman Safiullin (No. 61 in the world) meets Frances Tiafoe (No. 17) in the Round of 32 at the Rolex Shanghai Masters. Watch tennis, other live sports and more on Fubo. Use our link to sign up for a free trial.

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

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.

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.