| Tournament | Round | Marlene Brown | Mary Slater |
| 20.08.2000 Unley (SA) | 6 | 353 | 327 |
| 21.10.2000 Unley October (SA) | 5 | 408 | 305 |
| 08.02.2004 February Open (SA) | 1 | 398 | 330 |
| 07.03.2004 South Australian Championships (SA) | 10 | 367 | 263 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 381.5 | 306.25 | |
| Spread: | 301 | -301 | |