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

Reilly Opelka launched a blistering attack on umpire Greg Allensworth on Thursday night, describing him as “bush league” and “amateur hour” before calling for Allensworth to be suspended ...

Reilly Opelka's deepest run at a Grand Slam saw him reach the fourth round of the US Open in 2021 Reilly Opelka has called on the ATP to suspend chair umpire Greg Allensworth after he received a ...

However, the match is being talked about more for his heated confrontation with chair umpire Greg Allensworth. During the match, a spectator disrupted Opelka while he was serving, shouting loudly ...

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 ...

Reilly Opelka launched into stinging criticism of chair umpire Greg Allensworth for penalising him following a confrontation with an "idiot" heckling fan who was "hiding behind a pole".

Reilly Opelka has called for chair umpire Greg Allensworth to be suspended by the ATP after he received a code violation at the Dallas Open for confronting a spectator in the stands who he claimed ...

But the 27-year-old only had one talking point on his mind at the tournament’s mixed zone after closing out Cameron Norrie: chair umpire Greg Allensworth. “I really look forward to playing a ...

However, the match is being talked about more for his heated confrontation with chair umpire Greg Allensworth. During the match, a spectator disrupted Opelka while he was serving, shouting loudly ...