de Minaur brilliant, Medvedev back to old tricks

Alex de Minaur looked comfortable and composed in his first round win, with the Demon the only Aussie on day three to move forward.Daniil Medvedev was up to his old tricks playing five sets against a player ranked 418 in the world.And John Millman lets us in to how the lucky loser system works, with three heading into the second round.