| Date | Tournament | State | Round | Joan Watson | Erica Williams |
|---|---|---|---|---|---|
| 16/03/1997 | Redcliffe | QLD | 2 | 458 | 297 |
| 17/05/1998 | Southport Winter | QLD | 2 | 353 | 363 |
| 07/06/1998 | Millmerran | QLD | 5 | 390 | 281 |
| 15/11/1998 | Oyez | QLD | 7 | 435 | 253 |
| 21/02/1999 | Ipswich | QLD | 6 | 395 | 347 |
| 12/09/1999 | Toowoomba | QLD | 3 | 423 | 340 |
| 09/01/2000 | Coominya Summer | QLD | 5 | 358 | 375 |
| 20/02/2000 | Ipswich | QLD | 2 | 429 | 313 |
| 09/07/2000 | Coominya Winter | QLD | 3 | 387 | 326 |
| 15/10/2000 | Mindbenders Standard | QLD | 3 | 403 | 333 |
| 14/01/2001 | Greenbank | QLD | 6 | 382 | 293 |
| 31/03/2001 | Albert & Logan | QLD | 1 | 277 | 417 |
| 20/05/2001 | Harrisville | QLD | 3 | 410 | 329 |
| 05/08/2001 | Newmarket | QLD | 6 | 387 | 343 |
| 26/08/2001 | Queensland Championships | QLD | 7 | 450 | 320 |
| 13/06/2004 | Millmerran | QLD | 3 | 394 | 350 |
| 27/08/2006 | Queensland Championships | QLD | 15 | 351 | 417 |
| 10/06/2007 | Toowoomba | QLD | 11 | 422 | 393 |
| 15/07/2007 | Lockyer Valley | QLD | 3 | 505 | 272 |
| 06/09/2008 | Toowoomba | QLD | 3 | 374 | 349 |
| Head-to-head after 20 games | 16 | 4 | |||
| Average score | 399.15 | 335.55 | |||
| Spread | 1272 | -1272 | |||