'Jannik Sinner is taking a big step in the right direction' - Mats Wilander on Italian at Australian Open

'Jannik Sinner is taking a big step in the right direction' - Mats Wilander on the Italian sensation at the Australian Open. Stream the 2022 Australian Open live and on-demand on discovery+. A subscription for discovery+ is now £29.99 for the first year for UK users, down from £59.99