| Tournament | Round | Joy McGowan | Erica Williams |
| 22.02.1998 Ipswich (QLD) | 3 | 308 | 440 |
| 22.03.1998 Redcliffe (QLD) | 3 | 330 | 389 |
| 03.05.1998 Maelstrom (QLD) | 2 | 340 | 382 |
| 17.05.1998 Southport Winter (QLD) | 6 | 551 | 357 |
| 20.02.2000 Ipswich (QLD) | 5 | 396 | 438 |
| 18.03.2000 Redland Bay (QLD) | 5 | 378 | 361 |
| 11.06.2000 Millmerran (QLD) | 1 | 429 | 366 |
| 09.07.2000 Coominya Winter (QLD) | 4 | 313 | 358 |
| 10.09.2000 Toowoomba (QLD) | 4 | 394 | 339 |
| 15.10.2000 Mindbenders Standard (QLD) | 5 | 413 | 332 |
| 05.11.2000 Redcliffe (QLD) | 5 | 360 | 342 |
| 06.05.2001 Auran Open (QLD) | 2 | 404 | 360 |
| 26.08.2001 Queensland Championships (QLD) | 4 | 415 | 382 |
| 16.09.2001 Toowoomba (QLD) | 3 | 365 | 430 |
| 10.03.2007 Redland Bay (QLD) | 5 | 341 | 411 |
| 28.10.2007 Mindbenders Tournament (QLD) | 5 | 426 | 473 |
| 30.08.2009 Qld Champs Sun (QLD) | 7 | 330 | 418 |
| Head-to-head after 17 games | 8 | 9 | |
| Average score | 381.94 | 386.94 | |
| Spread: | -85 | 85 | |