Aus Open: Daniil Medvedev loses temper, Jannick Sinner ousts Alex de Minaur
An agitated Daniil Medvedev teed off at the chair umpire and lost his cool in the heat before steadying to claim a 6-2 7-6(4) 6-7(4) 7-5 win over Maxime Cressy and book his second Australian Open quarter-final on Monday.The Russian second…