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

Reilly Opelka launched a blistering attack on umpire Greg Allensworth on Thursday night, describing him as “bush league” and “amateur hour” before calling for Allensworth to be suspended ...

Reilly Opelka of the U.S. plays a forehand return to Tomas Machac of the Czech Republic during their second round match at the Australian Open tennis championship in Melbourne, Australia ...

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. Opelka was ...