| 1 | 156 | RA Lawson & MG Croy | New Zealand Under-19s v Pakistan Under-19s | Iqbal Stadium, Faisalabad | 1993/94 |
| 2 | 191 | [unknown] & [unknown] | New Zealand Young Cricketers v Australia Under-19s | Brisbane Cricket Ground, Woolloongabba, Brisbane | 1985/86 |
| 3 | 144 | [unknown] & [unknown] | New Zealand Under-19s v Australia Under-19s | Trust Bank Park, Hamilton | 1992/93 |
| 4 | 174 | [unknown] & [unknown] | New Zealand Under-19s v India Under-19s | Brabourne Stadium, Bombay | 1991/92 |
| 5 | 171 | KS Williamson & HKP Boam | New Zealand Under-19s v England Under-19s | County Ground, New Road, Worcester | 2008 |
| 6 | 142 | [unknown] & [unknown] | New Zealand Young Cricketers v England Young Cricketers | North Marine Road, Scarborough | 1989 |
| 7 | 118 | BB McCullum & AM Ellis | New Zealand Under-19s v South Africa Under-19s | Molyneux Park, Alexandra | 2000/01 |
| 8 | 149* | [unknown] & [unknown] | New Zealand Young Cricketers v England Young Cricketers | Pukekura Park, New Plymouth | 1990/91 |
| 9 | 96 | [unknown] & [unknown] | New Zealand Young Cricketers v England Young Cricketers | North Marine Road, Scarborough | 1989 |
| 10 | 80 | [unknown] & [unknown] | New Zealand Young Cricketers v Australia Under-19s | Manuka Oval, Canberra | 1985/86 |