Tennis: Live updates: Australian Open tennis, day three at Melbourne Park

ROD LAVER ARENA Paula Badosa (ESP) defeated Petra Kvitova (CZE) [7] 7-5 7-5Ash Barty (AUS) [1] defeated Polona Hercog (SVN) 6-1 6-4Novak Djokovic (SRB) [2 defeated Tatsuma Ito (JPN) 6-1 6-4 6-2From 7pm AEDT: Tamara Zidansek…