| Tournament | Round | Erica Williams | Trish Cearns |
| 20.07.2008 Ocean Shores (NSW) | 4 | 328 | 341 |
| 25.10.2008 Mindbenders Saturday (QLD) | 7 | 385 | 332 |
| 26.10.2008 Mindbenders Sunday (QLD) | 7 | 372 | 298 |
| 05.04.2009 Nationals Warm-up (QLD) | 3 | 410 | 340 |
| 26.04.2009 Lismore ANZAC (NSW) | 3 | 352 | 302 |
| 26.07.2009 Ocean Shores (NSW) | 2 | 396 | 344 |
| 01.08.2009 Townsville Saturday (QLD) | 1 | 283 | 350 |
| 02.08.2009 Townsville Sunday (QLD) | 7 | 293 | 434 |
| 17.01.2010 Logan Clovers (QLD) | 2 | 368 | 329 |
| 27.02.2011 Brunswick Valley (NSW) | 5 | 428 | 374 |
| 25.04.2011 Aus Championship (ACT) | 17 | 435 | 331 |
| Head-to-head after 11 games | 8 | 3 | |
| Average score | 368.18 | 343.18 | |
| Spread: | 275 | -275 | |