Aus Open reigning champ Djokovic knocked out by world no 117
Australian Open defending champion and current world number two Novak Djokovic was knocked out by wild-card entry and world number 117 Denis Istomin from Uzbekistan in the tournament's second round on Thursday. Djokovic, who was chasing a record seventh Australian Open title, lost to a player ranked outside the top 100 only the second time in the last seven years.