Team New Zealand largely cruised through the challenger series, aside from that near catastrophe when their boat capsized, and are set to face their arch rival Oracle Team USA.

When the two met in the round robin of the challenger series - Oracle won.

Over the past few days both teams have been working on their boats, out on the water practicing.

Watching it all unfold is Peter Lester, a commentator and former America's Cup sailor.

He said Team NZ has gone through huge changes since the last America's Cup.

LISTEN ABOVE AS PETER LESTER SPEAKS WITH RACHAEL SMALLEY