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