| Date | Tournament | State | Round | Betty Irwin | Michael Adler |
|---|---|---|---|---|---|
| 05/12/1999 | ACT Christmas Capers | ACT | 3 | 313 | 437 |
| 21/05/2000 | Ulladulla | NSW | 10 | 289 | 385 |
| 17/06/2000 | Wollongong Marj Babb | NSW | 2 | 268 | 443 |
| 24/11/2002 | ACT Championships | ACT | 7 | 306 | 473 |
| 20/05/2007 | Ulladulla 2007 | NSW | 2 | 384 | 314 |
| 06/11/2010 | Nowra | NSW | 10 | 353 | 354 |
| Head-to-head after 6 games | 1 | 5 | |||
| Average score | 318.83 | 401.00 | |||
| Spread | -493 | 493 | |||