Reilly Opelka faces potential discipline for his post-match comments about a chair umpire he called the "worst ump on tour." ...

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

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

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