| Tournament | Round | Brian Irwin | Maria Kaye |
| 20.06.1998 Wollongong Marj Babb (NSW) | 5 | 366 | 361 |
| 21.05.1999 Ulladulla (NSW) | 7 | 369 | 390 |
| 21.05.2000 Ulladulla (NSW) | 1 | 313 | 353 |
| 21.05.2000 Ulladulla (NSW) | 12 | 275 | 326 |
| 17.02.2001 Wollongong WORDS February Frolic (NSW) | 8 | 361 | 288 |
| 16.06.2001 Wollongong Marj Babb (NSW) | 3 | 328 | 285 |
| 26.05.2002 Ulladulla (NSW) | 6 | 344 | 349 |
| 22.06.2002 Wollongong Marj Babb (NSW) | 2 | 308 | 338 |
| 15.05.2003 Ulladulla (NSW) | 13 | 332 | 388 |
| 19.02.2005 Wollongong (NSW) | 8 | 304 | 318 |
| 28.05.2006 Ulladulla Championship (NSW) | 6 | 418 | 261 |
| 17.06.2006 Wollongong Marj Babb (NSW) | 2 | 294 | 406 |
| 20.05.2007 Ulladulla 2007 (NSW) | 3 | 415 | 318 |
| Head-to-head after 13 games | 5 | 8 | |
| Average score | 340.53 | 337 | |
| Spread: | 46 | -46 | |