Aryna Sabalenka says her mentality is "trophy or nothing" as she maintained her pursuit of a third Australian Open title in four years with a dominant quarter-final victory over teenager Iva Jovic. World number one Sabalenka overpowered rising American star Jovic 6-3 6-0 and awaits either third seed Coco Gauff or Ukraine's Elina Svitolina in the semi-finals. The 27-year-old Belarusian, a four-time major singles champion, has made the semi-final stage at 14 of the last 17 majors she has

Tag-uri: Australian Open