| Tournament | Round | Erica Williams | Maureen Gardner |
| 17.04.2006 Australian Championships (QLD) | 1 | 415 | 322 |
| 17.04.2006 Australian Championships (QLD) | 18 | 372 | 383 |
| 27.05.2008 May-Do-Well (QLD) | 2 | 376 | 451 |
| 06.09.2008 Toowoomba (QLD) | 4 | 418 | 376 |
| 08.08.2009 Magnetic Island Saturday (QLD) | 3 | 342 | 384 |
| 09.08.2009 Magnetic Island Sunday (QLD) | 2 | 315 | 540 |
| 13.02.2010 Ipswich (QLD) | 2 | 279 | 494 |
| 31.07.2010 TOWNSVILLE 2010 (QLD) | 4 | 301 | 475 |
| 07.08.2010 MISaturday (QLD) | 1 | 284 | 452 |
| 12.03.2011 Redland Bay (QLD) | 7 | 367 | 427 |
| 02.08.2011 Cairns (QLD) | 6 | 417 | 414 |
| Head-to-head after 11 games | 3 | 8 | |
| Average score | 353.27 | 428.9 | |
| Spread: | -832 | 832 | |