Australian Open: Sinner leads De Minaur by a set & break in quarter-finals - radio & text
Jannik Sinner 6-3 Alex de Minaur Ben Shelton beats Lorenzo Sonego 6-4 7-5 4-6 7-6 (7-4) to reach semi-finals Iga Swiatek drops just three games on way to last four Swiatek will play Madison Keys, who came from behind to beat Elina Svitolina Alfie Hewett through to wheelchair singles semi-finals Use audio icon for BBC Radio 5 Sports Extra commentary (UK only) Joe Rindl,