'Are you stupid?' - Daniil Medvedev lets rip at umpire over Stefanos Tsitsipas 'coaching from father' at Australian Open

'Are you stupid?' - Daniil Medvedev lets rip at the umpire over what he feels is Stefanos Tsitsipas receiving 'coaching from his father' 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