| Date | Tournament | State | Round | Mary Slater | Betty Mitchell |
|---|---|---|---|---|---|
| 13/02/2000 | South Australian Championships | SA | 1 | 294 | 362 |
| 09/02/2001 | Unley February | SA | 4 | 280 | 371 |
| 27/05/2001 | May | SA | 1 | 363 | 315 |
| 15/07/2001 | July | SA | 3 | 348 | 394 |
| 14/10/2001 | October | SA | 1 | 332 | 348 |
| 23/11/2001 | November | SA | 1 | 269 | 382 |
| 16/11/2002 | November | SA | 2 | 289 | 340 |
| 07/03/2004 | South Australian Championships | SA | 11 | 326 | 337 |
| 26/06/2004 | Unley June | SA | 6 | 321 | 325 |
| 13/03/2005 | South Australian Championships | SA | 1 | 295 | 282 |
| Head-to-head after 10 games | 2 | 8 | |||
| Average score | 311.70 | 345.60 | |||
| Spread | -339 | 339 | |||