"I'm pretty ecstatic now, to be honest," Fox said. "It was there or thereabouts today and to do what I did on 16 and 17, I can't really describe it."
Fox, known for his ability to hit the ball long from the tee, was able to drive the green at the 16th at the City Golf Club and his putt dropped. He continued the momentum swing at 17 and made par at the 18th to book the win.
"I love coming here," he said. "I've played here four times now and had some really good results."
Fox finished second in the same tournament last year and today's victory, where he earned $18,766, backed up his win at the WA Open Championship in Perth in October.
Fox will start as one of the leading Kiwi hopes at the New Zealand Open in Queenstown next month. A New Zealander hasn't won the event in more than a decade since Mahal Pearce triumphed at Middlemore in 2003.