Frances Tiafoe directed an expletive-filled tirade at a chair umpire after losing his third-round match Tuesday at the ATP Shanghai Masters event. Tiafoe lost to unseeded Roman Safiullin 5-7, 7-5, 7-6 (5),

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 was eliminated in the round of 32 at the Shanghai Masters 1000 against Safiullin. The American tennis player lost in the tie-break of the third set, after more than 3 hours of

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

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.