| Tournament | Round | Betty Irwin | Tricia Shephard |
| 09.12.2001 ACT Championships (ACT) | 9 | 317 | 336 |
| 26.05.2002 Ulladulla (NSW) | 10 | 411 | 301 |
| 22.06.2002 Wollongong Marj Babb (NSW) | 7 | 424 | 399 |
| 22.02.2003 Wollongong (NSW) | 4 | 344 | 404 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 374 | 360 | |
| Spread: | 56 | -56 | |