American tennis star Frances Tiafoe let loose at the chair umpire on Tuesday after a controversial call during his loss at ...

U.S. Open semifinalist Frances Tiafoe cursed repeatedly at a chair umpire after losing a match at the Shanghai Masters.

U.S. tennis star Frances Tiafoe berated a chair umpire with a profane outburst on Tuesday after losing his third-round match ...

Frances Tiafoe puts his head in his hands as he leaves Arthur Ashe Stadium after losing his match against Taylor Fritz on day ...

Frances Tiafoe was not happy with chair umpire Jimmy Pinoargote at the Shanghai Masters on Tuesday, and he made that very ...

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

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

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Frances Tiafoe heads into Friday's all-American US Open semi-final against Taylor Fritz insisting that nobody is unbeatable anymore. This year's US Open has seen 24-time Slam winner and four-time ...