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

Tennis player Reilly Opelka has demanded that the ATP suspend chair umpire Greg Allensworth following a code violation he ...

DALLAS — Denis Shapovalov has advanced to the semifinals of the Dallas Open. The product of Richmond Hill, Ont., beat Czechia ...

The 211cm American let rip at the chair umpire over his lack of action against a fan heckling him from the stands.