Aryna Sabalenka has booked her spot in the Australian Open final after a ruthless win over Elina Svitolina on Thursday night. The world No.1 was in a class of her own in the 6-2 6-3 victory in just under 80 minutes at Rod Laver Arena. Upon review, the umpire stuck with her original call, saying the world No.1 made an extra noise after her normal grunt. “You go ‘ahh, a-ya’ ... For me this is hindrance, because you don’t make the normal sound,” the chair umpire said. The incident appeared to light a fuse in the world No.1 as she crunched a series of massive groundstrokes to get the all-important first break of the set.