| Tournament | Round | Michael Adler | Betty Irwin |
| 05.12.1999 ACT Christmas Capers (ACT) | 3 | 437 | 313 |
| 21.05.2000 Ulladulla (NSW) | 10 | 385 | 289 |
| 17.06.2000 Wollongong Marj Babb (NSW) | 2 | 443 | 268 |
| 24.11.2002 ACT Championships (ACT) | 7 | 473 | 306 |
| 20.05.2007 Ulladulla 2007 (NSW) | 2 | 314 | 384 |
| 06.11.2010 Nowra (NSW) | 10 | 354 | 353 |
| Head-to-head after 6 games | 5 | 1 | |
| Average score | 401 | 318.83 | |
| Spread: | 493 | -493 | |