The Dane, who will take over as world number one, secured the title against the battling Romanian top seed in 2hr 49min in energy-sapping hot and humid conditions on Rod Laver Arena.

Denmark’s Caroline Wozniacki, a semi-finalist in 2011 who has never quite lived up to the hype in the majors, annihilated 19th-seeded Magdalena Rybarikova 6-3, 6-0