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

Photograph: Francis Mascarenhas/Reuters 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 ...

The 27-year-old cursed out the spectator before umpire Greg Allensworth issued a point penalty to Opelka for an audible obscenity, handing Norrie a chance to break back. The American giant ...

The Canadian, still just 25, played a perfect week in Texas - the challenge is doing it again throughout the ATP season ...

After the match, Opelka didn’t hold back on his assessment of the incident, particularly in relation to chair umpire Greg Allensworth, with the 27-year-old stating: “Worst ump on tour.

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 just ...

The tennis star lashed out at umpire Greg Allensworth after receiving a point penalty for swearing at a fan whom he accused of disrupting his serve during a crucial moment. The ATP emphasized that ...