Sofia Kenin gets big win over Coco Gauff.
Milos Raonic can do no wrong at the Australian Open.
The next few days could be the making of Sacha Zverev.
Derek Bilton has tips for your Australian Open betting slip.
Follow the Australian Open with our live scores centre...
Wins too for Zverev and Medvedev.
Just two remain of the top six seeds.
World number one still not keen...
Rafa hails Aussie warrior.
Top seed thrashes compatriot.