| Date | Tournament | State | Round | Betty Irwin | Pat Schuberg |
|---|---|---|---|---|---|
| 20/06/1998 | Wollongong Marj Babb | NSW | 5 | 388 | 363 |
| 17/06/2000 | Wollongong Marj Babb | NSW | 4 | 376 | 269 |
| 22/02/2007 | Ulladulla Summer Games Thursday | NSW | 3 | 355 | 375 |
| Head-to-head after 3 games | 2 | 1 | |||
| Average score | 373.00 | 335.67 | |||
| Spread | 112 | -112 | |||