| Tournament | Round | Brian Irwin | Diana Hilly |
| 22.05.2005 Ulladulla (NSW) | 6 | 314 | 350 |
| 28.05.2006 Ulladulla Championship (NSW) | 13 | 352 | 382 |
| 20.05.2007 Ulladulla 2007 (NSW) | 11 | 325 | 286 |
| 16.02.2008 Wollongong WORDS Round Robin (NSW) | 4 | 297 | 366 |
| 14.06.2008 Wollongong (NSW) | 6 | 371 | 284 |
| 16.05.2009 Ulladulla (NSW) | 12 | 455 | 379 |
| 16.05.2009 Ulladulla (NSW) | 13 | 419 | 275 |
| 18.09.2010 Ulladulla 2010 (NSW) | 4 | 285 | 342 |
| 15.05.2011 Ulladulla (NSW) | 11 | 317 | 398 |
| Head-to-head after 9 games | 4 | 5 | |
| Average score | 348.33 | 340.22 | |
| Spread: | 73 | -73 | |