Australian Open: Novak Djokovic Powers Into Fourth Round Unknown 01:34 IFTTT, Top Sports News- News18.com Novak Djokovic battled with a lower back injury as he claimed his 11th round of 16 appearance at the Australian Open on Saturday. from Top Sports News- News18.com http://ift.tt/2mYMnT4 via IFTTT Share this Share on FacebookTweet on TwitterPlus on Google+