Defending champion Aryna Sabalenka and U.S. Open winner Coco Gauff are into the fourth round of the Australian Open after commanding wins. Sabalenka crushed Lesia Tsurenko 6-0, 6-0 while Gauff cruised past Alycia Parks 6-0, 6-2. Jannik Sinner and Stefanos Tsitsipas were equally impressive as they moved on with straight-set wins. Men’s champion Novak Djokovic and Alex de Minaur, Australia’s big hope, are in night action.