Australian Open: Novak Djokovic overcomes injury scare, defeats Albert Ramos Viñolas to enter pre quarters
Tennis | January 20, 2018 19:24 ISTSeeking a record seventh title in Melbourne, Djokovic is set to take on Chung Hyeon of South Korea, who stunned Germany's Alexander Zverev 5-7, 7-6 (7-3), 2-6, 6-3, 6-0.