Defending champion Novak Djokovic got his defence of the Australian Open crown off to a comfortable start as South Korean Chung Hyeon proved no match for the world number one.
The Serbian was rarely troubled by the teenager as he expectedly got off to an easy start in Melbourne by cursing into the second round with a 6-3 6-2 6-4 straight sets win.
It was also an easy start for 17-time grandslam winner Roger Federer, as the Swiss man also comfortably booked his spot in the next round with a 6-2 6-1 6-2 demolition of Nikoloz Basilashvili from Georgia.
Sixth seed Thomas Berdych also enjoyed a straight sets win as he too cruised into the next round with a 7-5 6-1 6-2 win over Indian Yuki Bhambri, as did Japan’s Kei Nishikori who saw off German Philipp Kohlschreiber 6-4 6-3 6-3.
However, it was not all easy for 12th seed Marin Cilic as the 2014 US Open champion has to fight back from a set down to book his place in the next stage after a hard-fought 6-7 (4/7) 7-5 6-2 6-4 win over Dutchman Thiemo de Bakker.
Frenchman Gilles Simon had to come from a set down against Canadian Vasek Pospisil to book his place in the second round as the 14th seed survived an early scare to advance in four sets 6-7 (4/7) 6-3 6-2 6-4.
It was also the same case for Belgian David Goffin as he too came from a set down against Sergiy Stakhozsky but 15th seed eventually saw off the Ukrainian with a 3-6 6-3 6-4 6-4 victory.
It was also not all easy for ninth seed Jo-Wilfired Tsonga as Cypriot Marcos Baghdatis put up a brave fight but the Frenchman was victorious in the end winning 6-3 4-6 6-4 6-2.
On the women’s side of things, Serena Williams got the defence of her Australian Open crown off to a winning start as the American overcame lack of match practice to book her spot in the second round.
The world number one had not played a competitive match since her shock US Open semi-final defeat but the 34-year-old did have some rustiness to shake off as she beat Italian Camila Giorgi 6-4 7-5.
Sixth seed Petra Kvitova also encountered no problems in her first round match as the two-time Wimbledon champion cruised to a 6-3 6-1 victory over Thailand’s Luksika Kumkhum.
Maria Sharapova is also safely through to the second round after a comfortable 6-1 6-3 win over Nao Hibino of Japan, while fourth seed Agnieszka Radwanska saw off American Christina McHale 6-2 6-3 to ease through.
Canadian Eugenie Bouchard also enjoyed an easy win on day one of the action as she saw off Serbian Aleksandra Krunic 6-3 6-4, while 12th seed Belinda Bencic proved too much for Alsion Riske as she enjoyed a 6-4 6-3 win over the American.
However, it was an early exit for Caroline Wozniacki as Kazakhstan’s world number 76 Yulia Putintseva stunned the Dane 1-6 7-6 (7/3) 6-4, while Great Britain’s Heather Watson also crashed out after a 6-7 (4/7) 7-5 7-5 defeat to Hungary’s Timea Babos.
Aussie Sam Stousr also crashed to a shock exit as Czech player Kristyna Pliskova inflicted defeat on the 25th seed 6-4 7-6 (8/6), while American Sloane Stephens tournament is also over after a 6-3 6-2 defeat to China’s Qiang Wiang.