| Tournament | Round | Marilyn Smith | Patricia Mitchell |
| 05.04.1999 Australian Championships (NSW) | 5 | 496 | 388 |
| 08.06.2003 Victorian Championships (VIC) | 15 | 418 | 391 |
| 09.04.2012 Australian Championship (TAS) | 15 | 395 | 342 |
| Head-to-head after 3 games | 3 | 0 | |
| Average score | 436.33 | 373.66 | |
| Spread: | 188 | -188 | |