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 ...

In a match slated for Thursday, Brandon Nakashima (No. 43 in rankings) will face Reilly Opelka (No. 121) in the Round of 16 ...

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 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.

Feb 7 (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 a spectator in the ...

In the Round of 16 at the Dallas Open on Thursday, Cameron Norrie (ranked No. 63) meets Reilly Opelka (No. 145). Opelka heads into the Round of 16 after winning in two sets, 7-6, 6-4, over ...

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 ...