| Tournament | Round | Trish Cearns | Marlene Brown |
| 16.01.1999 January (SA) | 5 | 375 | 372 |
| 14.02.1999 South Australian Championships (SA) | 8 | 352 | 324 |
| 21.04.2003 Australian Championships (SA) | 3 | 276 | 423 |
| 05.04.2010 Aus Championship (SA) | 2 | 355 | 370 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 339.5 | 372.25 | |
| Spread: | -131 | 131 | |