Magic Murray sets up Nadal clash

Andy Murray powered into the last 16 of the Australian Open with an aggressive and confident straight-sets win over Juan Ignacio Chela.

The British number one played superb attacking tennis to win 6-3 6-2 6-4 in a match delayed two hours and switched indoors to the Vodafone Arena due to rain in Melbourne.

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Victory set up a fourth-round encounter with second seed Rafael Nadal, who breezed past Stanislas Wawrinka 6-2 6-2 6-2 earlier in the day.

Murray is still to drop a set in the tournament and made a superb start as he sought to avenge his first-round loss to Argentinian Chela last year.

He claimed the break he needed to take the first set in the sixth game after both players had begun well.

The 15th seed was twice taken to deuce in the next game and squandered four set points in the one that followed but he went on to claim the set off his own serve.

Murray then doubled his advantage by breaking twice in a keenly-fought second set.

The first of those came in the fifth game after Murray dampened Chela's attempts at a fightback by surviving two break points in the fourth.

Murray, playing with growing confidence, then held and broke again before taking the set by winning a fifth successive game.

He maintained his dominance of the Chela serve by breaking twice more at the start of the third set but the Argentinian quickly hit back to cancel out both.

Murray responded to break again and this time held to move 5-3 ahead. Chela made heavy weather of holding his next service game but Murray was not to be denied and served out to win.