The 28-year-old Scot won in straight sets in Melbourne in just one hour and 30 minutes.
Two-time Wimbledon champion Petra Kvitova was a surprise elimination on day 3.
The 28-year-old Scot has revealed he doubts the integrity of some matches he has watched.
The best photos from the first round of the first grand slam of the year in Melbourne Park.
He said tennis authorities needed to do a "better job" of warning players about the potential outcomes.
Hewitt beat compatriot James Duckworth in straight sets to begin his last grand slam campaign.
Novak Djokovic faces Quentin Halys in the second round of the 2016 Australian Open on Wednesday. Find out how to follow the match live in the UK.
Roger Federer takes on Ukranian Alexandr Dolgopolov in the second round of the 2016 Australian Open.
Fourteen-time grand-slam champion beaten in five sets by his fellow-Spaniard in Melbourne.
24-year-old Briton produced best performance of her career in the Rod Laver Arena.
28-year-old Brit secured his place in the next round with a dominant display.
Report claims 16 top-50 tennis players have been repeatedly flagged to the Tennis Integrity Unit.
World number one was speaking after his first-round victory over Hyeon Chung at the Australian Open.
Rafael Nadal takes on Fernando Verdasco in the Australian Open, Find out where to watch the game live in the UK.
16 players had been repeatedly flagged to the TIU over suspicions they had thrown matches in the past decade.
The 21-year-old Brit has been beaten by world number 81 Damir Dzumhur in Melbourne.
Over the past decade 15 top players were repeatedly flagged to authorities over match rigging.
The world number 185 will be one of six British players in the singles competition in Melbourne.
The 28-year-old Scot has been pitted against the talented right-hander in Melbourne.
Contrasting fortunes for British tennis as Naomi Broady exits women's qualifying in Melbourne.
The British number three was defeated in three sets in Melbourne by her French opponent.
The Serb wants to go one better after bronze in Beijing and fourth in London.
The 26-year-old was eliminated in straight sets 7-5, 6-2 by German Peter Gojowczyk.
Ward plays Peter Polansky while Evans faces number one seed Luca Vanni in Melbourne.
Finally clinching an elusive Australian Open crown is Murray's main goal for the New Year.
Djokovic takes on long-time rival Nadal in the final of the first tournament of the 2016 ATP season.
Murray and Watson both won their singles matches before teaming up for the mixed doubles.
Novak Djokovic potentially awaits Edmund in Doha while GB lose to Australia in Hopman Cup.
The world number two will abandon first grand slam of 2016 should wife Kim go into labour.
Williams was due to face Ukraine's Elina Svitolina in America's opening tie of the tournament in Perth.