| Date | Tournament | State | 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 | 373.78 | |||
| Spread | 544 | -544 | |||