| Tournament | Round | Harry Malcolm | Kerry Constable |
| 09.08.1998 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 7 | 353 | 357 |
| 06.05.2001 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 8 | 350 | 300 |
| 04.05.2003 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 7 | 301 | 370 |
| 02.05.2004 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 2 | 372 | 371 |
| 21.11.2004 ACT Championships (ACT) | 1 | 447 | 357 |
| 17.04.2005 NSW/Victoria Border Challenge, Wagga Wagga (NSW) | 3 | 406 | 284 |
| Head-to-head after 6 games | 4 | 2 | |
| Average score | 371.5 | 339.83 | |
| Spread: | 190 | -190 | |