| Tournament | Round | Mary Slater | Joan King |
| 19.03.2000 March (SA) | 5 | 272 | 361 |
| 27.05.2001 May (SA) | 6 | 318 | 326 |
| 25.08.2001 August (SA) | 3 | 314 | 335 |
| 14.10.2001 October (SA) | 3 | 365 | 330 |
| 21.06.2003 Unley June (SA) | 2 | 312 | 371 |
| 07.03.2004 South Australian Championships (SA) | 2 | 319 | 329 |
| 29.08.2004 Unley August (SA) | 5 | 311 | 389 |
| 20.02.2005 February (SA) | 4 | 239 | 363 |
| 16.04.2005 April (SA) | 1 | 297 | 297 |
| 22.05.2005 May (SA) | 1 | 264 | 358 |
| 21.08.2005 August (SA) | 1 | 326 | 351 |
| 15.10.2005 October (SA) | 5 | 325 | 279 |
| Head-to-head after 12 games | 2.5 | 9.5 | |
| Average score | 305.16 | 340.75 | |