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