| Tournament | Round | Erica Williams | Shirley Smith |
| 21.08.1999 Queensland Championships (QLD) | 6 | 327 | 345 |
| 10.10.1999 Greenbank (QLD) | 4 | 435 | 287 |
| 28.11.1999 Southport (QLD) | 3 | 442 | 285 |
| 04.08.2002 Newmarket (QLD) | 3 | 350 | 317 |
| 15.03.2003 Redland Bay (QLD) | 4 | 338 | 340 |
| 25.04.2004 Lismore (NSW) | 7 | 386 | 375 |
| 13.02.2005 Ipswich (QLD) | 5 | 378 | 354 |
| 29.05.2005 Surfers is Paradise Mindgames (QLD) | 6 | 296 | 364 |
| 04.12.2005 Southport (QLD) | 6 | 293 | 419 |
| 15.01.2006 Greenbank (QLD) | 2 | 379 | 347 |
| 11.03.2006 Redland Bay (QLD) | 6 | 283 | 346 |
| 09.04.2006 Coorparoo Warmup Marathon (QLD) | 2 | 285 | 413 |
| 30.04.2006 Charity Weekend (QLD) | 1 | 437 | 338 |
| 20.07.2008 Ocean Shores (NSW) | 6 | 390 | 339 |
| 26.07.2009 Ocean Shores (NSW) | 3 | 442 | 395 |
| Head-to-head after 15 games | 9 | 6 | |
| Average score | 364.06 | 350.93 | |
| Spread: | 197 | -197 | |