| Tournament | Round | Olga Visser | Patricia Mitchell |
| 22.07.2001 Winter Masters (NSW) | 16 | 493 | 400 |
| 21.04.2003 Australian Championships (SA) | 8 | 423 | 354 |
| 28.03.2005 Australian Championships (TAS) | 7 | 348 | 378 |
| 05.04.2010 Aus Championship (SA) | 17 | 393 | 342 |
| 06.08.2011 Magnetic Is Saturday (QLD) | 7 | 455 | 419 |
| 07.08.2011 Magnetic Is Sunday (QLD) | 7 | 459 | 321 |
| 05.08.2012 Townsville Sunday (QLD) | 2 | 453 | 360 |
| 11.08.2012 Maggie Saturday (QLD) | 4 | 501 | 431 |
| 12.08.2012 Maggie Sunday (QLD) | 7 | 383 | 359 |
| Head-to-head after 9 games | 8 | 1 | |
| Average score | 434.22 | 373.77 | |
| Spread: | 544 | -544 | |