| Tournament | Round | Linda Williams | Joy McGowan |
| 23.05.1999 Brisbane Open (QLD) | 2 | 432 | 411 |
| 12.09.1999 Toowoomba (QLD) | 4 | 549 | 376 |
| 09.01.2000 Coominya Summer (QLD) | 2 | 368 | 360 |
| 06.02.2000 Kempsey Challenge (NSW) | 4 | 392 | 440 |
| 14.10.2000 Mindbenders Open (QLD) | 6 | 323 | 389 |
| 11.03.2001 Brisbane Open (QLD) | 7 | 413 | 309 |
| 20.05.2001 Harrisville (QLD) | 5 | 494 | 386 |
| 06.10.2001 Mindbenders Open (QLD) | 2 | 413 | 391 |
| 07.10.2001 Mindbenders Standard (QLD) | 6 | 355 | 402 |
| 15.09.2002 Toowoomba (QLD) | 3 | 294 | 459 |
| 20.10.2002 Mindbenders Standard (QLD) | 4 | 411 | 476 |
| 08.12.2002 Southport (QLD) | 4 | 372 | 470 |
| Head-to-head after 12 games | 6 | 6 | |
| Average score | 401.33 | 405.75 | |
| Spread: | -53 | 53 | |