In 1976–77, 1977–78 and 1980–81, they played a Plunket Shield team early in the season, in December.
New Zealand Under-23s also played a number of one-day and two-day matches against non-first-class provincial teams.
Their only century was Peter Truscott's 165 in 1963–64; their best bowling figures were Rodney Redmond's 6 for 56 in 1965–66.
In order of their first appearance for New Zealand Under-23s: Peter Truscott and Hedley Howarth from the 1962-63 team; Rodney Redmond, Mark Burgess, Keith Thomson and Bruce Taylor (1963–64); Glenn Turner, Richard Collinge and Dayle Hadlee (1966–67); John Morrison, Ken Wadsworth, Graham Vivian and Geoff Howarth (1968–69); Robert Anderson and Jeremy Coney (1971–72); John Wright, Jock Edwards, Bruce Edgar, Paul McEwan and John Reid (1976–77); Ian Smith, Evan Gray, Martin Snedden and Brendon Bracewell (1977–78); Trevor Franklin and Gary Robertson (1980–81).
Six of them – Burgess, Turner, Geoff Howarth, Coney, Wright and Smith – went on to captain New Zealand in Tests.