| Tournament | Round | Mary Packenham | Betty Mitchell |
| 05.04.1998 Victor Harbour (SA) | 3 | 356 | 320 |
| 23.08.1998 August (SA) | 2 | 334 | 313 |
| 22.11.1998 Xmas (SA) | 2 | 357 | 327 |
| 21.03.1999 March (SA) | 6 | 321 | 315 |
| 18.04.1999 Victor Harbour (SA) | 5 | 331 | 278 |
| 22.08.1999 August (SA) | 6 | 292 | 323 |
| 09.02.2001 Unley February (SA) | 5 | 298 | 347 |
| 23.11.2001 November (SA) | 3 | 245 | 382 |
| 13.01.2002 January Open (SA) | 2 | 291 | 392 |
| 09.03.2002 South Australian Championships (SA) | 2 | 314 | 338 |
| 09.03.2002 South Australian Championships (SA) | 13 | 368 | 295 |
| 21.04.2003 Australian Championships (SA) | 2 | 277 | 380 |
| Head-to-head after 12 games | 6 | 6 | |
| Average score | 315.33 | 334.16 | |