| Tournament | Round | Betty Mitchell | Arni Abbott |
| 22.02.1998 Unley February (SA) | 4 | 263 | 415 |
| 29.03.1998 Unley (SA) | 4 | 263 | 415 |
| 12.09.1998 September (SA) | 4 | 312 | 392 |
| 09.03.2002 South Australian Championships (SA) | 12 | 309 | 380 |
| 09.03.2002 South Australian Championships (SA) | 14 | 224 | 449 |
| 10.02.2002 February (SA) | 2 | 308 | 302 |
| 12.01.2003 Open (SA) | 3 | 367 | 356 |
| 15.02.2003 Unley February (SA) | 1 | 295 | 378 |
| 13.09.2003 Southern Tournament (SA) | 1 | 273 | 319 |
| 07.03.2004 South Australian Championships (SA) | 3 | 370 | 378 |
| 18.09.2004 Southern Tournament (SA) | 1 | 293 | 337 |
| 16.10.2004 Unley October (SA) | 1 | 292 | 399 |
| 16.04.2005 April (SA) | 1 | 361 | 299 |
| 18.06.2005 June (SA) | 1 | 306 | 359 |
| 15.10.2005 October (SA) | 6 | 305 | 414 |
| 16.06.2006 June (SA) | 3 | 240 | 432 |
| 09.03.2008 South Australian Championships (SA) | 6 | 322 | 396 |
| 09.03.2008 South Australian Championships (SA) | 9 | 368 | 363 |
| 07.02.2010 SA February (SA) | 2 | 331 | 392 |
| Head-to-head after 19 games | 4 | 15 | |
| Average score | 305.36 | 377.63 | |
| Spread: | -1373 | 1373 | |