World No.1 Roger Federer came from a set down to overcome Russian Igor Andreev 4-6, 6-2, 7-6 (2) and 6-0 on Tuesday and booked his place in the second round of the Australian Open.

Federer, seeking his fourth title at Melbourne Park, was forced to save three set points in the 12th game of a rollercoaster third set before finally breaking Andreev's resolve.

The Swiss star admitted he was pleased to have come through a tricky encounter.

"I knew it was going to be tough," said Federer. "We played five sets in New York two years back and that was extremely tough. I think he is a wonderful player. That was a tough first round and I am really, really relieved that I am through."

There was a significant shock on Court 2 when Robin Soderling, seeded eighth, squandered a two-set lead to lose 5-7, 2-6, 6-4, 6-4 and 6-2 to Marcel Granollers.

Roger Federer of Switzerland celebrates after the first round match of men's singles against Igor Andreev of Russia in 2010 Australian Open at Rod Laver Arena in Melbourne Park, Jan. 19, 2010.

Serbia's third seed Novak Djokovic, the 2008 champion in Melbourne, fought back from an early break in the opening set to defeat Spain's Daniel Gimeno-Traver 7-5, 6-3 and 6-3, while Nikolay Davydenko began with a 6-1, 6-0 and 6-3 thrashing of German qualifier Dieter Kindlmann.

Davydenko has beaten Federer in their last two meetings and the pair are seeded to meet in the quarterfinals in Melbourne.

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