| Tournament | Round | Merriss Adler | Brian Irwin |
| 20.06.1998 Wollongong Marj Babb (NSW) | 4 | 316 | 336 |
| 21.05.1999 Ulladulla (NSW) | 10 | 309 | 312 |
| 21.05.2000 Ulladulla (NSW) | 6 | 294 | 295 |
| 27.05.2001 Ulladulla (NSW) | 13 | 353 | 344 |
| 09.12.2001 ACT Championships (ACT) | 9 | 247 | 352 |
| 26.05.2002 Ulladulla (NSW) | 3 | 308 | 269 |
| 24.11.2002 ACT Championships (ACT) | 10 | 339 | 303 |
| 22.02.2003 Wollongong (NSW) | 7 | 300 | 373 |
| 15.05.2003 Ulladulla (NSW) | 2 | 265 | 351 |
| 23.11.2003 ACT Championships (ACT) | 3 | 305 | 259 |
| 22.05.2005 Ulladulla (NSW) | 11 | 294 | 352 |
| Head-to-head after 11 games | 4 | 7 | |
| Average score | 302.72 | 322.36 | |