Top seed Novak Djokovic enjoyed an easy win over Russian Andrey Kuznetsov as the Serbian lost just five games as he booked his place in the third round of the Australian Open.
It took the four-time Aussie Open champion just under 90 minutes to dispatch of Kuznetsov 6-0 6-1 6-4.
It was also a straight sets victory for defending champion Stanislas Wawrinka but he was made to work by Romanian qualifier Marius Copil. The 24-year-old put up a brave fight but the Swiss man emerged victorious 7-6 7-6 6-3.
Milos Raonic also had to dig deep against his American opponent Donald Young but the Canadian nonetheless emerged in straight sets 6-4 7-6 (7/3) 6-3.
Fifth seed Kei Nishikori came from a set down to beat Croatia’s Ivan Dodig 4-6 7-5 6-2 7-6 (7/0), while ninth seed David Ferrer also has to respond from losing the first set to see off Ukrainian Sergiy Stathovsky 5-7 6-3 6-4 6-2.
There was also wins for Spanish duo Fernando Verdasco and Felciano Lopez, while Jerzy Janowicz – who reached the Wimbledon semi-finals in 2013 – knocked out 17th seed Gael Monfils as the Pole emerged a 6-4 1-6 6-7 (3/7) 6-3 6-3 winner.
However fan favourite Leyton Hewitt bowed out of the Australian Open who lost out to German Benjamin Becker. The 33-year-old threw away a two set lead as Becker produced a stunning comeback to win 2-6 1-6 6-3 6-4 6-2
In women’s action, top seed Serena Williams recovered from an early scare but reach the third round for the 14th time in 15 appearances.
The American had to save three set points as she trailed 5-3 in the opening set before she unleashed a ten game winning streak to see off Russian Vera Zvonareva 7-5 6-0.
Venus Williams defeated fellow American Lauren Davis for the second tournament running as she joins her sister in the next round after a 6-2 6-3 victory, while there were also no problems for Wimbledon champion Petra Kvitova who saw off Germany’s Mona Barthel 6-2 6-4
However, the tournament is over for world number eight Caroline Wozniacki as Belarus’ Viktoria Azarenka saw off the 24-year-old 6-4 6-2 and it is also over for Sam Stosur as American Coco Vandweghe knocked out the Aussie 6-4 6-4.
You can check out more results from day four of the Australian Open here.