Ashleigh Barty has underlined why she is the Australian Open favourite as she thrashed Jessica Pegula to set up a semi-final against Madison Keys.
World number one and home favourite Barty won the final nine games to beat American Pegula 6-2 6-0.
Barty, bidding to become the first Australian singles champion in the tournament since 1978, has yet to drop a set at Melbourne Park.
[Source:Abc.net.au ]
