| Tournament | Round | Olga Visser | Wayne Willis |
| 13.06.2004 Millmerran (QLD) | 2 | 426 | 366 |
| 08.06.2008 Woomba Wound Wobins (QLD) | 6 | 416 | 390 |
| 20.05.2012 Matchplayer Qualifier (QLD) | 2 | 519 | 279 |
| 14.10.2012 Runcorn PRR (QLD) | 6 | 320 | 453 |
| 14.10.2012 Runcorn PRR (QLD) | 7 | 362 | 320 |
| 14.10.2012 Runcorn PRR (QLD) | 11 | 473 | 360 |
| 17.05.2014 Matchplay (QLD) | 9 | 380 | 280 |
| 10.03.2018 Bremer Waters (QLD) | 3 | 416 | 364 |
| Head-to-head after 8 games | 7 | 1 | |
| Average score | 414 | 351.5 | |
| Spread: | 500 | -500 | |