| Tournament | Round | Alan Gauci | Betty Irwin |
| 20.06.1998 Wollongong Marj Babb (NSW) | 6 | 360 | 336 |
| 13.02.1999 Wollongong (NSW) | 1 | 308 | 389 |
| 05.06.1999 Wollongong Marj Babb (NSW) | 2 | 352 | 356 |
| 17.06.2000 Wollongong Marj Babb (NSW) | 3 | 330 | 383 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 337.5 | 366 | |
| Spread: | -114 | 114 | |