WATCH LIVE: Federer into Aus Open quarters for 14th time in 15 years (ESPN): livio acerbo on lacer2k and greengroundit WATCH LIVE: Federer into Aus Open quarters for 14th time in 15 years (ESPN): livio acerbo on lacer2k and greengroundit Gennaio 22, 2018 January 22, 2018 at 07:40AM from ESPN via http://espn.go.com/