A crucial cross coming up...
The first lead change in the America's Cup.
Team NZ are the faster boat still but Oracle, off to the left, are still just in front as they are set to cross again.
They're crossing and Oracle are still just in front.
In breaking news, Tokyo has won the rights to the 2020 Olympics.
But in San Francisco, Oracle are maintaining a slight edge as we head to mark three.
Team NZ at 24 knots on the up-wind leg.
Oracle still ahead on leg three, as Team NZ get set for another cross.
Team NZ are faster through the water but they're sailing deeper.
Oracle well off to the left, they'll have to tack to avoid the boundary.
We're crossing again and Team NZ cross in front but Oracle keep the lead as they head towards to right.
Only 17 metres between the boats.
Intriguing tactical battle here as Team NZ grab the lead!
Team NZ are a couple of knots faster as Oracle are forced to tack away.
It is breath-taking stuff as the one-sided Louis Vuitton series is forgotten.
Team NZ have a clear lead, approaching 150 metres.
Team NZ have a significant advantage right now - they seem to be the fastest boat
Both boats tack to the right with Team NZ well in front.
We're approaching gate three now - Team NZ have shown they are the fastest boat up-wind.
We're around mark three and Team NZ are ahead as we head down-wind towards mark four.
It's Team New Zealand's race to lose now.