| Date | Tournament | State | 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 | 302.73 | 322.36 | |||
| Spread | -216 | 216 | |||