| Date | Tournament | State | Round | Brian Irwin | Heather Sorensen |
|---|---|---|---|---|---|
| 21/05/1999 | Ulladulla | NSW | 12 | 349 | 376 |
| 21/05/2000 | Ulladulla | NSW | 11 | 316 | 373 |
| 09/12/2001 | ACT Championships | ACT | 2 | 364 | 337 |
| 31/10/2009 | Nowra 2009 | NSW | 11 | 265 | 386 |
| 06/11/2010 | Nowra | NSW | 11 | 322 | 362 |
| Head-to-head after 5 games | 1 | 4 | |||
| Average score | 323.20 | 366.80 | |||
| Spread | -218 | 218 | |||