Novak Djokovic and Iga Swiatek will headline the new-look United Cup mixed team event in Perth and Sydney from Dec. 29 to Jan. 7 as one of the key warm-up tournaments for the Australian Open.…
Canada extended its undefeated run in the group stage of Davis Cup finals with a second victory in as many days Thursday. Vasek Pospisil and Gabriel Diallo won singles matches followed by a doubles victory…