Opelka criticized the umpire after he was penalized for twice swearing at a spectator, describing him as 'amateur hour' and ...

Here are some other reactions from tennis fans. "Even if the call is ... a fan," one said. "Greg Allensworth remains a disgrace to this sport. Awful umpire, definitely the type of kid in school ...

Reilly Opelka launched into stinging criticism of chair umpire Greg Allensworth for penalising him following a confrontation ...

Here are some other reactions from tennis fans. "Even if the call is correct by the ... and a player should never have to advocate for themself vs. a fan," one said. "Greg Allensworth remains a ...

Dallas Open champ shook off a controversial call to close out Cam Norrie, but had all the thoughts afterwards.

Reilly Opelka criticized chair umpire Greg Allensworth following a match at the Dallas Open. Opelka was penalized for ...

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 ...