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 aimed a torrent of expletives at the chair umpire after losing a match at the Shanghai Masters on Tuesday. Tiafoe targeted umpire Jimmy Pinoargote with about 10 expletives in a minute-long tirade after his 5-7,