Naomi Osaka obliterates Jennifer Brady in Australian Open final

Naomi Osaka showed Jennifer Brady absolutely no mercy as she pulverised the American to win an Australian Open bloodbath.

Naomi Osaka has done it again.

The Japanese wrapped up grand slam title number four - and her second Australian Open crown - by thumping Jennifer Brady 6-4 6-3 in the final at Melbourne Park.

A tight first set made way for a bloodbath in the second set as Osaka ran riot to cement her status as the undisputed queen of women's tennis.