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 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 stands who he claimed ...

Andy Roddick recently spoke up about Reilly Opelka's controversial and divisive remarks on doubles tennis. The former No. 1 laid bare his affinity for "characters" like Opelka in tennis ...