| Tournament | Round | Trish Cearns | Mary Packenham |
| 05.04.1998 Victor Harbour (SA) | 5 | 260 | 329 |
| 14.02.1999 South Australian Championships (SA) | 2 | 343 | 327 |
| 21.04.2003 Australian Championships (SA) | 9 | 290 | 300 |
| Head-to-head after 3 games | 1 | 2 | |
| Average score | 297.66 | 318.66 | |
| Spread: | -63 | 63 | |