| Tournament | Round | Heather Sorensen | Brian Irwin |
| 21.05.1999 Ulladulla (NSW) | 12 | 376 | 349 |
| 21.05.2000 Ulladulla (NSW) | 11 | 373 | 316 |
| 09.12.2001 ACT Championships (ACT) | 2 | 337 | 364 |
| 31.10.2009 Nowra 2009 (NSW) | 11 | 386 | 265 |
| 06.11.2010 Nowra (NSW) | 11 | 362 | 322 |
| Head-to-head after 5 games | 4 | 1 | |
| Average score | 366.8 | 323.2 | |
| Spread: | 218 | -218 | |