Great Britain moved a step closer to lifting their 173-year America’s Cup curse after Ben Ainslie’s Ineos Britannia qualified for next week’s Louis Vuitton Cup final, completing a tense but ultimately convincing 5-2 semi-final victory over Swiss challenger Alinghi.

Italy’s Luna Rossa Prada Pirelli and Britain’s INEOS Britannia are on the verge of advancing in the America’s Cup after extending their leads in the semifinals.

With motivational speeches delivered and celebratory send offs from their respective bases in Barcelona’s Port Vell, both American Magic and Alinghi Red Bull Racing stepped back into the ring to fight their campaign-saving match on the third day of racing at the Louis Vuitton Cup Semi Finals.

Ineos Britannia reach the Louis Vuitton Cup final as they clinch a 5-2 semi-final win over Switzerland in Barcelona.

Britain clinched a 5-2 semi-final win over Switzerland in the America's Cup challenger series on Wednesday to secure a place in the Louis Vuitton Cup final in Barcelona.