| Date | Tournament | State | Round | Mary Slater | Betty Billing |
|---|---|---|---|---|---|
| 24/04/1994 | Noarlunga | SA | 5 | 369 | 300 |
| 14/05/1995 | South Australian Championships | SA | 2 | 334 | 314 |
| 13/02/2000 | South Australian Championships | SA | 6 | 315 | 275 |
| 19/03/2000 | March | SA | 6 | 295 | 295 |
| 20/08/2000 | Unley | SA | 4 | 366 | 245 |
| Head-to-head after 5 games | 4.5 | 0.5 | |||
| Average score | 335.80 | 285.80 | |||
| Spread | 250 | -250 | |||