| Tournament | Round | Erica Williams | Marilyn Smith |
| 22.03.1998 Redcliffe (QLD) | 6 | 417 | 438 |
| 03.05.1998 Maelstrom (QLD) | 4 | 434 | 336 |
| 23.08.1998 Queensland Championships (QLD) | 9 | 339 | 382 |
| 13.09.1998 Toowoomba (QLD) | 2 | 358 | 425 |
| 09.01.2000 Coominya Summer (QLD) | 1 | 338 | 403 |
| 18.03.2000 Redland Bay (QLD) | 4 | 374 | 354 |
| 26.08.2001 Queensland Championships (QLD) | 12 | 338 | 340 |
| 16.09.2001 Toowoomba (QLD) | 5 | 325 | 369 |
| 07.05.2007 Queensland Championships (Masters) (QLD) | 1 | 265 | 386 |
| 17.11.2007 Cleveland (QLD) | 4 | 411 | 310 |
| 14.02.2009 Ipswich (QLD) | 2 | 315 | 484 |
| 24.10.2009 Redcliffe ABC (QLD) | 2 | 370 | 457 |
| 15.11.2009 Fundraiser WYSC (QLD) | 1 | 294 | 378 |
| 30.05.2010 Rainbow Region (NSW) | 2 | 344 | 370 |
| 03.04.2011 Foolishly April (QLD) | 1 | 355 | 376 |
| Head-to-head after 15 games | 3 | 12 | |
| Average score | 351.8 | 387.2 | |
| Spread: | -531 | 531 | |