| Tournament | Round | Erica Williams | Michael Vnuk |
| 03.05.1998 Maelstrom (QLD) | 1 | 391 | 400 |
| 17.05.1998 Southport Winter (QLD) | 1 | 463 | 348 |
| 23.08.1998 Queensland Championships (QLD) | 16 | 369 | 477 |
| 13.09.1998 Toowoomba (QLD) | 1 | 425 | 351 |
| 15.11.1998 Oyez (QLD) | 6 | 303 | 419 |
| 06.12.1998 Southport (QLD) | 4 | 367 | 559 |
| 20.02.2000 Ipswich (QLD) | 4 | 306 | 556 |
| 18.03.2000 Redland Bay (QLD) | 3 | 328 | 476 |
| 09.07.2000 Coominya Winter (QLD) | 2 | 333 | 412 |
| 20.05.2001 Harrisville (QLD) | 4 | 361 | 436 |
| 10.06.2007 Toowoomba (QLD) | 6 | 323 | 465 |
| Head-to-head after 11 games | 2 | 9 | |
| Average score | 360.81 | 445.36 | |
| Spread: | -930 | 930 | |