| Tournament | Round | Brian Irwin | June McKenzie |
| 05.12.1999 ACT Christmas Capers (ACT) | 3 | 396 | 243 |
| 09.12.2001 ACT Championships (ACT) | 5 | 308 | 377 |
| 24.11.2002 ACT Championships (ACT) | 3 | 358 | 298 |
| 16.05.2009 Ulladulla (NSW) | 1 | 270 | 382 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 333 | 325 | |
| Spread: | 32 | -32 | |