| Tournament | Round | Mary Slater | Melva Lehmann |
| 08.02.2004 February Open (SA) | 4 | 263 | 434 |
| 07.03.2004 South Australian Championships (SA) | 3 | 318 | 379 |
| 26.06.2004 Unley June (SA) | 5 | 315 | 413 |
| Head-to-head after 3 games | 0 | 3 | |
| Average score | 298.66 | 408.66 | |
| Spread: | -330 | 330 | |