LONDON, July 10 (Xinhua) -- Novak Djokovic of Serbia and Kazakhstan's Elena Rybakina both advanced to the semifinals at the Wimbledon Championships on Wednesday.
Seven-time Wimbledon champion Djokovic faced no challenge in his quarterfinal match as his opponent, Alex de Minaur, announced a walkover hours before the match due to injury. The Australian No. 9 seed injured his hip during the fourth-round match again
