In the Round of 32 at the Delray Beach Open by VITACOST.com on Sunday, Reilly Opelka (ranked No. 145) meets Christopher ...

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.

World no. 9 Tommy Paul is through to his second semi-final of the season in Dallas. The Australian Open quarter-finalist faced fellow American Reilly Opelka in the quarter-final and scored a 7-6, 6-2 ...

FRISCO, Texas—Reilly Opelka and Tommy Paul grew up training together, roomed together in junior dorms, even shared a house together as established pros. Oddly, despite playing more than 500 combined ...

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

Reilly Opelka criticized chair umpire Greg Allensworth following a match at the Dallas Open. Opelka was penalized for ...

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

Simona Halep recently announced her retirement from professional tennis at the Winners Open in her native country of Romania.

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 ...