Australian Open Day Four Updated 1001 GMT (1801 HKT) January 21, 2016 Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds. Photos: Andy Murray had little trouble dispatching Sam Groth Thursday at the Australian Open. Hide Caption 1 of 7 Photos: Murray is one of the best movers in the game and he soaked up all the pressure from the attacking Aussie. Hide Caption 2 of 7 Photos: Murray is bidding to win the tournament after losing the final four times. Hide Caption 3 of 7 Photos: The Melbourne skyline is the backdrop for the year's first major. Hide Caption 4 of 7 Photos: Victoria Azarenka signed autographs after thumping Danka Kovinic in the second round. Hide Caption 5 of 7 Photos: Ana Ivanovic has had a tough start to 2016 but the former No. 1 eased past Anastasija Sevastova. Hide Caption 6 of 7 Photos: Garbine Muguruza downed former Wimbledon semifinalist Kirsten Flipkens. Hide Caption 7 of 7Andy Murray won on Day Four of the Australian Open, while Victoria Azarenka also breezed. TennisWTA Finals: Day by day highlightsNovak Djokovic: The $16M manTennis' tattooed teenage 'pit bull' Bouchard sues over locker-room fallSerena to miss end of season More from Sport - TennisSanchez-Casal Academy: The making of Andy MurrayMaria Sharapova: Russian wins on return from 15-month doping banMaria Sharapova's comeback leaves women's Tour dividedSerena Williams slams Ilie Nastase over 'racist' commentsCan Serena Williams return to the top of tennis after giving birth?