Nancarrow made the New South Wales men's team in the 1960s and was a part of their legacy when between 1958 and 1973 members of that team won 78 consecutive matches at Australian carnivals.

[2] Nancarrow, Ken Hiscoe, Ted Hamilton, Lionel Robberds and others participated in that time in the four-man squad which eventually recorded a loss to Queensland in 1974.

From 1967 till 1973 Nancarrow was named in every Australian national men’s team selected to compete at the World Men’s Team Championship governed by the World Squash Federation.

Nancarrow won the World Amateur Individual Championship in 1973, having finished runner-up in that competition in 1967 and 1971.

The name Nancarrow is of Cornish origin meaning "valley of the deer".