By Matt Hardy Ineos Britannia, the British challenger for the America’s Cup, will today begin to compete for the right to take on defending champions New Zealand. Having come through a round-robin phase, Britannia – backed by billionaire Ienos founder Sir Jim Ratcliffe and skippered by British sailing legend Ben Ainslie – will face Luna Rossa Prada Pirelli for a spot in the official 37th America’s Cup match. “I think we are two pretty evenly matched teams, so it’s going to be a really amazing final,” Ainslie said. “The beauty of this sport is that there are so many factors involved, from the h…