The Japan native defeated Caroline Garcia from France in a deciding set today
Two-time champion Naomi Osaka has booked a place in the second round of the women's draw at the Australian Open.
The Japan native defeated Caroline Garcia from France in a deciding set today.
Elsewhere 10th seed Danielle Collins beat Daria Snigur two sets to love.
Local favourite Christopher O'Connell lost his deciding set to 12th seed from the US - Tommy Paul.
While second seed Carlos Alcaraz is safely through after a straight sets victory over Alexander Shevchenko.
Novak Djokovic also progressed.
The 24-time Grand Slam champion recovered from losing the opening set against Nishesh Basavareddy to win in four.