Djokovic into Astana final after surprise Medvedev retirement
Djokovic leads Federer tributes as Swiss great prepares to quit the court
Djokovic says he will not play US Open because of lack of Covid vaccination
Djokovic mystery deepens as stars arrive ahead of Australian Open
Players must be vaccinated for Australian Open
Djokovic's Grand Slam bid foiled as Medvedev wins US Open
Djokovic into Wimbledon last 32 despite more falls
Federer ready for return after 'long, hard road'
Djokovic dominates Medvedev to win ninth Australian Open
