| Date | Tournament | State | Round | Betty Irwin | Alan Gauci |
|---|---|---|---|---|---|
| 20/06/1998 | Wollongong Marj Babb | NSW | 6 | 336 | 360 |
| 13/02/1999 | Wollongong | NSW | 1 | 389 | 308 |
| 05/06/1999 | Wollongong Marj Babb | NSW | 2 | 356 | 352 |
| 17/06/2000 | Wollongong Marj Babb | NSW | 3 | 383 | 330 |
| Head-to-head after 4 games | 3 | 1 | |||
| Average score | 366.00 | 337.50 | |||
| Spread | 114 | -114 | |||