Outteridge and Team New Zealand skipper Peter Burling know each other well.
The winners of Team New Zealand and Artemis will face two-times defending champions Oracle Team USA in the 35th Americas Cup Match, presented by Louis Vuitton.
There are three races scheduled for Sunday.
Artemis Racing skipper Nathan Outteridge feared for his safety when he was nearly run over by Team NZ on the Great Sound off Bermuda. Artemis chose to remain in the 34th America's Cup, although it missed much of the challenger trials in the 2 1/2 months it took to ready its new boat.
New Zealand won the first race of the day despite a poor start, piling the pressure on the British team who struggled to match their opponents for speed and stability.
In this photo provided by the America's Cup Event Authority, SoftBank Team Japan and SwedenþÄôs Artemis Racing compete during America's Cup challenger semifinals on the Great Sound in Bermuda on Thursday, June 8, 2017.
"We knew we had the power and had to keep chipping away, we saw the opportunity and stole the victory", Outteridge said in televised comments on BT Sport. "The challenge continues, we will be back stronger". The victor of each first-to-five semi-final progresses to the challenger final and whoever wins that will take on Oracle Team USA in the America's Cup Match starting on June 17.
"I've dried out a little bit, but apart from that, I'm fine", Outteridge told the post-race press conference afterwards. Percy won a gold medal in the Finn class in 2000 Games. "I really hope this team has a future and it's been one of the objectives of this team, to try and build a fan base in Japan", said Barker.
Dean Barker, the SoftBank Team Japan helmsman, was left to ponder what might have been after finding himself on the wrong end of another Americas Cup comeback on the Great Sound yesterday. Divers couldn't find any damage, but Barker said the team lost valuable preparation time. After the Kiwis reached match point, Oracle won eight straight races to retain the oldest trophy in worldwide sports.
Team New Zealand had just pulled ahead of Artemis when Outteridge took a swim. Skipper Russell Coutts handed the wheel to Barker, his understudy, for the clinching fifth race.