| Tournament | Round | Betty Irwin | Owen Randall |
| 23.11.2003 ACT Championships (ACT) | 9 | 395 | 300 |
| 22.05.2005 Ulladulla (NSW) | 2 | 322 | 375 |
| 28.05.2006 Ulladulla Championship (NSW) | 2 | 395 | 379 |
| 28.05.2006 Ulladulla Championship (NSW) | 12 | 348 | 451 |
| 18.05.2008 Ulladulla (NSW) | 6 | 357 | 315 |
| Head-to-head after 5 games | 3 | 2 | |
| Average score | 363.4 | 364 | |
| Spread: | -3 | 3 | |