All Blacks coach Scott Robertson admitted his delight at winning the Bledisloe Cup for the first time in his career was tempered by a realisation his team remain a work in progress after their narrow win over Australia in Sydney on Saturday.

The All Blacks led 21-0 after 15 minutes but faltered badly in the second half, only just holding on with 13 men at one point to beat Australia 31-28 in the first Bledisloe Cup test.

New Zealand survived a thrilling Australia comeback to cling on to a narrow victory in Sydney and continue their stronghold over the Bledisloe Cup. With both sides looking to salvage difficult Rugby Championship campaigns,

The last time Australia secured the Bledisloe Cup, the names Matt Burke, Steve Larkham, George Gregan and George Smith were inked in the matchday program.

The Bledisloe Cup series between Australia and New Zealand comes around each year as a high point of the Southern Hemisphere rugby season.

All Blacks coach Scott Robertson admitted his delight at winning the Bledisloe Cup for the first time in his career was tempered by a realisation his team remain a work in progress after their narrow win over Australia in Sydney on Saturday.

Australia seek to snap a 22-year hoodoo against New Zealand in the first Test in Sydney. Join Jonathan Howcroft for updates

New Zealand scored four tries in the first 25 minutes and held off a late Australian fightback with 13 men to beat the Wallabies 31-28 in a Rugby Championship thriller at Stadium Australia. The All Blacks were held to one penalty in the second half and lost two players to yellow cards,