| Tournament | Round | Olga Visser | Linda Williams |
| 03.10.1999 Mindbenders (QLD) | 6 | 354 | 295 |
| 18.03.2000 Redland Bay (QLD) | 3 | 363 | 409 |
| 05.11.2000 Redcliffe (QLD) | 6 | 308 | 423 |
| 20.05.2001 Harrisville (QLD) | 4 | 433 | 361 |
| 06.10.2001 Mindbenders Open (QLD) | 3 | 334 | 395 |
| Head-to-head after 5 games | 2 | 3 | |
| Average score | 358.4 | 376.6 | |
| Spread: | -91 | 91 | |