DALLAS — 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 angered ...

Reilly Opelka was competing against Cameron Norrie in the round of 16 tie at the Dallas ATP 500 event. The American tennis player had lost the first set, but later won the second set in a tiebreaker.

DALLAS -- Reilly Opelka faces potential discipline for his postmatch comments about a chair umpire he called the "worst ump on tour," the ATP said in a statement Friday. Opelka was angered that he ...

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 ...