119th-ranked Istomin knocks out Djokovic, Serena Williams, Thiem, Nadal advance

Second seed, Novak Djokovic, is out of the on-going Australian Open Tennis Championship following a stunning upset victory by Denis Istomin of Uzbekistan (ranked 119 in the world), who won by 7/6; 5/7; 3/6; 7/6; 6/4 at the Rod Laver Arena.