Nisbet turned professional in 2012 and joined the
PGA Tour of Australasia. In his rookie season, he was runner-up at the 2012
NSW PGA Championship, three strokes behind
Matt Stieger. He tied for 3rd at the
WA Open Championship in 2014 and 2015. In April 2015, he won his first professional title, the PGA of Australia's Morobe Open in Papua New Guinea. In 2016, he played on the
PGA Tour China, where he won the Clearwater Bay Open in
Hong Kong, after he rolled in a 10-foot putt for eagle on the first hole of a sudden-death playoff. On the
2018 PGA Tour of Australasia, Nisbet won two tournaments, the
New Zealand Open and the
MMC Northern Territory PGA Championship, and finished the season a career-best third on the Order of Merit. In 2019, he won his third PGA Tour of Australasia title, the
Queensland PGA Championship, by six strokes. ==Personal life==