'Perfect start' - Stefanos Tsitsipas breaks Jannik Sinner immediately in Australian Open quarter-final

'Perfect start' - Stefanos Tsitsipas breaks Jannik Sinner immediately in their Australian Open quarter-final. 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