| Tournament | Round | Deborah Dwyer | Olga Visser |
| 13.08.2005 Bunya Mountains 2-day (QLD) | 10 | 298 | 365 |
| 12.05.2013 Sunday Alzheimer's (QLD) | 3 | 432 | 443 |
| 30.11.2014 Southport (QLD) | 8 | 404 | 369 |
| 28.06.2015 Southport Winter (QLD) | 4 | 254 | 393 |
| 27.12.2015 Last Chance (QLD) | 9 | 321 | 374 |
| 12.06.2016 Toowoomba Wound Wobins (QLD) | 6 | 400 | 354 |
| 11.06.2017 Woomba Wound Wobins (QLD) | 2 | 452 | 342 |
| 11.06.2017 Woomba Wound Wobins (QLD) | 8 | 347 | 341 |
| 23.07.2017 July Jaunt (QLD) | 4 | 331 | 325 |
| 01.07.2018 July Open (QLD) | 7 | 343 | 364 |
| 28.10.2018 Redcliffe (QLD) | 2 | 300 | 440 |
| Head-to-head after 11 games | 5 | 6 | |
| Average score | 352.9 | 373.63 | |
| Spread: | -228 | 228 | |