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