| Tournament | Round | Olga Visser | Shirley Pelham |
| 14.10.2007 Fundraiser at Coorparoo (QLD) | 2 | 413 | 338 |
| 27.10.2013 Redcliffe Sunday (QLD) | 1 | 324 | 361 |
| 26.10.2014 Redcliffe Sunday (QLD) | 1 | 408 | 274 |
| 14.02.2016 February Frolic (QLD) | 4 | 399 | 351 |
| 13.11.2016 youth fr nov (QLD) | 4 | 380 | 349 |
| 26.12.2016 Last Chance (QLD) | 2 | 383 | 362 |
| 26.12.2016 Last Chance (QLD) | 8 | 403 | 332 |
| 10.03.2018 Bremer Waters (QLD) | 1 | 342 | 399 |
| 12.12.2018 Bethania Wed (QLD) | 3 | 271 | 360 |
| 12.12.2018 Bethania Wed (QLD) | 6 | 388 | 360 |
| 06.05.2019 Help Me May (QLD) | 8 | 329 | 358 |
| 21.07.2019 QAH July (QLD) | 3 | 372 | 354 |
| 01.12.2019 Southport Christmas (QLD) | 8 | 340 | 319 |
| 15.12.2019 Almost Last Chance (QLD) | 6 | 439 | 322 |
| 12.02.2020 Bethania Wed (QLD) | 6 | 422 | 435 |
| 10.12.2020 Bethania Thurs (QLD) | 3 | 372 | 347 |
| 10.12.2020 Bethania Thurs (QLD) | 3 | 372 | 347 |
| 17.06.2021 Bethania Thu RR (QLD) | 4 | 370 | 353 |
| Head-to-head after 18 games | 13 | 5 | |
| Average score | 373.72 | 351.16 | |