| Tournament | Round | Arni Abbott | Marlene Brown |
| 21.03.1998 February (SA) | 6 | 358 | 336 |
| 24.07.2000 July (SA) | 6 | 322 | 379 |
| 15.07.2001 July (SA) | 5 | 333 | 343 |
| 25.08.2001 August (SA) | 4 | 359 | 313 |
| 16.09.2001 September (SA) | 4 | 416 | 307 |
| 14.10.2001 October (SA) | 3 | 292 | 353 |
| 23.11.2001 November (SA) | 6 | 415 | 327 |
| 25.05.2002 Northern Tournament (SA) | 6 | 353 | 275 |
| 21.06.2003 Unley June (SA) | 5 | 292 | 419 |
| 20.07.2003 Hove (SA) | 3 | 385 | 351 |
| 08.02.2004 February Open (SA) | 6 | 373 | 317 |
| 07.03.2004 South Australian Championships (SA) | 2 | 380 | 340 |
| 24.04.2004 Unley April (SA) | 3 | 426 | 401 |
| 16.10.2004 Unley October (SA) | 3 | 365 | 350 |
| 18.06.2005 June (SA) | 5 | 393 | 375 |
| 29.12.2005 Xmas Leftovers (SA) | 6 | 341 | 376 |
| 05.02.2006 Round Robin (SA) | 7 | 399 | 276 |
| 30.04.2006 April Tournament (SA) | 3 | 301 | 327 |
| 16.07.2006 SA July (SA) | 4 | 343 | 348 |
| 28.07.2006 Norwood Nightowl (SA) | 4 | 337 | 359 |
| 05.07.2009 July Pub Scrabble (SA) | 1 | 408 | 301 |
| 06.02.2011 SA February (SA) | 3 | 355 | 391 |
| Head-to-head after 22 games | 13 | 9 | |
| Average score | 361.18 | 343.81 | |
| Spread: | 382 | -382 | |