Well, American chair umpire Gregory Allensworth was recently accused of making this mistake in Cincinnati not once but twice.

The BNP Paribas Open clash between Reilly Opelka and Roman Safiullin at Indian Wells was overshadowed by a bizarre row ...

After the match, Opelka said umpire Greg Allensworth failed to stop the fan from disrupting play. “Worst ump on tour,” Opelka said. “He's real bad. Almost changed the outcome of that match ...

Controversy erupted at the Dallas Open as Reilly Opelka received a point penalty from umpire Greg Allensworth for an audible obscenity. The call, made while Opelka was serving for the match ...

In a surprising turn of events, the American called for a physio claiming he hurt his wrist while talking to the umpire. The chair umpire informed Opelka that it was not the right way to stop play, ...

Umpire Greg Allensworth defaulted the Canadian, who lost his prize money and ranking points from the event before they were reinstated on appeal. Shapovalov said he “did not sleep for two days ...

FRISCO, Texas—At the Dallas Open on Thursday evening, 2022 champion Reilly Opelka reached his first ATP 500 quarterfinal since October 2020 as he continues his quest for a Top 100 return.