World No1 Aryna Sabalenka is also in for a nasty shock as she tries to become the first woman since Martina Hingis to rack up an AO hat-trick in 26 years. Sabalenka plays Sloane Stephens (last major champion) and a scheduled quarterfinal against No.5 Zheng Qinwen (replay of last year’s Australian Open final). Then she might square up to Coco Gauff in an explosive semifinal, the same round where the two champs clashed here 12 months ago. Sabalenka came into Brisbane as the