Ashes 2013: Clarke and Haddin's centuries guide Australia past 500

Brad Haddin's fourth Test century has put Australia into an almost unassailable position at tea on day two of the second Ashes Test, guiding the home side past the 500-run mark.

Haddin's unbeaten 108, as well as Michael Clarke's 148, pushed Australia to 8-516 with one more session remaining on the host nation’s day of dominance so far at the Adelaide Oval.

The captain combined with his deputy Haddin in a 217-run sixth wicket stand, with Harris (29 not out) rubbing salt into the wound, on the stroke of the break belting Graeme Swann (2-133 of 35) for back-to-back sixes.

Clarke survived a close run out call on 143 after a mix up with Haddin, but replays showed Clarke just managed to get his bat back in time to beat the combined efforts of Michael Carberry and Monty Panesar (1-131 off 40).

But five runs later Clarke was heading back to the pavilion to a standing ovation, hitting a leading edge to James Anderson at mid-wicket to provide debutant Ben Stokes (2-70 off 18) with his first Test wicket.

Clarke's 26th century has moved him within one ton of equalling Allan Border in sixth position on Australia's list of most Test centuries and 15th of all time.

It was his sixth century in nine Tests at the Adelaide Oval and his 12th since taking over the captaincy from Ricky Ponting in 2011.

Haddin, who has consistently frustrated the Poms in recent Test matches with the bat, looked to have been removed on 51 after Stokes appeared to have claimed his first Test wicket when Haddin edged through to Matt Prior behind the stumps.

But after a front foot no-ball review from the third umpire the rookie Englishman was denied his first scalp, which ignited a mid-pitch argument between the pair at the end of the over.

Umpire Marais Erasmus intervened to split the pair, so too Prior and Clarke.

Haddin has made the most of the lifeline he received late on day one when Carberry dropped a sitter just before stumps that would have seen Mitchell Johnson face a few nervous overs to conclude the opening day.

Instead Johnson came to the crease mid-way through day two, but fell soon after for five trying to lift the tempo, lofting a shot off Swann into the hands of Stuart Broad at mid off.

Peter Siddle (two) followed shortly after to give Stokes his second wicket, edging through to Prior behind the stumps.

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