| Tournament | Round | Erica Williams | Margot Carnachan |
| 15.03.2003 Redland Bay (QLD) | 2 | 360 | 326 |
| 02.05.2004 Charity Open (QLD) | 7 | 377 | 354 |
| 17.10.2004 Newmarket (QLD) | 2 | 418 | 461 |
| 13.11.2004 Cleveland (QLD) | 1 | 335 | 416 |
| 12.02.2006 Ipswich (QLD) | 2 | 332 | 329 |
| 09.04.2006 Coorparoo Warmup Marathon (QLD) | 4 | 378 | 390 |
| 21.05.2006 May-Larkey Coorparoo (QLD) | 2 | 387 | 349 |
| 29.10.2006 Mindbenders Sunday (QLD) | 4 | 411 | 332 |
| 28.10.2007 Mindbenders Tournament (QLD) | 6 | 328 | 337 |
| 02.12.2007 Southport (QLD) | 4 | 277 | 417 |
| 20.01.2008 Greenbank Charity (QLD) | 4 | 375 | 310 |
| 27.05.2008 May-Do-Well (QLD) | 4 | 345 | 420 |
| 16.11.2008 Cleveland (QLD) | 1 | 371 | 419 |
| 18.01.2009 Logan City (QLD) | 2 | 367 | 346 |
| 05.07.2009 Coominya (QLD) | 4 | 340 | 346 |
| 29.09.2009 Spring-Board (QLD) | 3 | 310 | 357 |
| 09.11.2010 Combo Clubs (QLD) | 3 | 389 | 375 |
| 12.03.2011 Redland Bay (QLD) | 4 | 376 | 355 |
| 17.05.2011 Autumnal (QLD) | 1 | 354 | 386 |
| Head-to-head after 19 games | 9 | 10 | |
| Average score | 359.47 | 369.73 | |
| Spread: | -195 | 195 | |