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

DALLAS (AP) — Reilly Opelka faces potential discipline for his post-match comments about a chair umpire he called the “worst ump on tour,” the ATP said in a statement Friday.

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

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

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

Reilly Opelka has called for chair umpire Greg Allensworth to be suspended by the ATP after he received a code violation at ...

Reily Opelka refused to shake the chair umpire’s hand in a stunning set of events at the Dallas Open. The American was up ...

The 211cm American let rip at the chair umpire over his lack of action against a fan heckling him from the stands.