Istomin fires as Novak Djokovic crashes out of Australian Open

Defending champion Novak Djokovic has been suffered a big defeat and crashed out of Australian Open on Thursday here in Melbourne. Unseeded Denis Istomin stunned second seed Djokovic 7-6, 5-7, 2-6, 7-6, 6-4 in a five sets hard fought battle. Too many double faults effected the game of former world number one in the 2nd round clash. Istomin hit 17 aces against the 6 times champion to make it significant. He will meet Pablo Carreno Busta in the third round match of men’s singles.