| Tournament | Round | Liz Marx | Betty Keese |
| 21.03.1999 March (SA) | 2 | 349 | 401 |
| 22.08.1999 August (SA) | 3 | 375 | 393 |
| 24.10.1999 October (SA) | 2 | 372 | 322 |
| 21.11.1999 November (SA) | 5 | 342 | 353 |
| 13.02.2000 South Australian Championships (SA) | 4 | 342 | 437 |
| 22.11.2000 Unley November (SA) | 5 | 340 | 414 |
| 16.09.2001 September (SA) | 6 | 306 | 261 |
| 09.03.2002 South Australian Championships (SA) | 11 | 442 | 385 |
| 25.05.2002 Northern Tournament (SA) | 5 | 352 | 304 |
| 16.11.2002 November (SA) | 1 | 358 | 347 |
| 08.03.2003 South Australian Championships (SA) | 8 | 276 | 387 |
| 20.07.2003 Hove (SA) | 5 | 374 | 329 |
| Head-to-head after 12 games | 6 | 6 | |
| Average score | 352.33 | 361.08 | |
| Spread: | -105 | 105 | |