Cameron Norrie came from a set down to defeat Rafael Nadal for the very first in his career to give Great Britain a commanding lead against Spain in their United Cup group stage clash.Norrie faced off with Nadal for the fifth time in his career, defeating the Spaniard 3-6, 6-3, 6-4 at the Ken Rosewall Arena in Sydney.Having lost their four previous meetings, it was, understandably, a relief for the Brit to finally have a win against the 22-time Grand Slam champion under his belt.‘’It was pretty crazy,’’ Norrie said in his post-match interview.‘’I was thinking I’d never won a set before [agains …