Two-time grand slam champion is confident of bursting Australia's bubble when he plays teen star Nick Kyrgios in the quarterfinal.
Australia Open top seed Novak Djokovic claims a commanding straight sets victory over Gilles Muller.
US veteran Venus Williams advances into her first grand slam quarterfinal since 2010 US Open with an upset win.
Aussie teenager Nick Kyrgios compared to Roger Federer as he targets his first grand slam semifinal berth.
Canada's Milos Raonic beats Spanish veteran Feliciano Lopez in five sets to reach his first Aussie Open quarterfinal.