Reilly Opelka criticized chair umpire Greg Allensworth following a match at the Dallas Open. Opelka was penalized for swearing at a spectator he claimed was disturbingly disruptive. The ATP is considering disciplinary action,

Reilly Opelka's win over Cameron Norrie at the Dallas Open ended in controversial fashion and the American didn't hold back in his criticism of chair umpire Greg Allensworth after the match.

Reilly Opelka voiced his frustration after a heated exchange with chair umpire Greg Allensworth at the Dallas Open, refusing to shake his hand.

The American battled against Cameron Norrie in the second round and prevailed 4-6, 7-6, 6-4 in two and a half hours. Opelka dropped the opener and trailed 5-4 in the tie break of the second set. He kept composure and grabbed the final three points to force a decider.

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 was deliberately coughing to interrupt his serve.

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

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

Reilly Opelka’s win over Cameron Norrie at the Dallas Open ended in controversial fashion and the American didn’t hold back in his criticism of chair umpire Greg Allensworth after the match. After coming from a set down to take the last-16 encounter to a decider,