ETNZ on the left and tack back now.
Oracle lead at around 140m now.
Team NZ will head to the starboard boundary. Oracle tack to cover them
ETNZ go to the boundary on the Alcatraz side. Oracle tack over them.
Oracle lead now at around 130m. "Good puff out of this," says Spithill
Oracle now heading towards the city front from Alcatraz. Team NZ tack on the boundary and they do the same.
Both boats have been hugging the Alcatraz side to get tidal relief.
The lead remains at around the 130m mark.
It's a long run now to the port boundary. A drag race.
Oracle extend lead to 164m as they reach the port boundary.
In these lightish winds, a few extra puffs can make a big difference but Oracle have a handy lead and are keeping their eye on Team NZ
Oracle tacks back towards the middle of the course. Team NZ still head towards the port
"Good numbers here," says Ainslie
ETNZ tack back towards the middle of the course. The lead extends some more for Oracle. Now at 170m.
Yet again ETNZ sitting behind and needing an Oracle mistake to get back into this.
Lots of talk onboard Team Oracle. Pretty quiet on ETNZ.
About two-thirds up this leg. Oracle lead around 130m.
Oracle get up to 20kts as they head towards the port boundary again.
Both teams will be consdiering their options at the top mark. Oracle will probably look to go to the right-hand mark to put themselves in the middle of the course and keep their options open
Oracle lead at 160m as they eye the top mark.
It goes over 200m as Team NZ come out of a tack.
Team NZ need a little wind shift to the left to make up some ground here
Oracle have one more tack before the top mark.
Team NZ don't appear to be laying the top mark so will need to put in another tack