| Tournament | Round | Marie London | Patricia Mitchell |
| 15.04.1998 Australian Championships (TAS) | 14 | 442 | 381 |
| 05.04.2010 Aus Championship (SA) | 23 | 363 | 474 |
| 25.04.2011 Aus Championship (ACT) | 21 | 248 | 455 |
| 01.04.2013 Australian Championship (QLD) | 6 | 378 | 449 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 357.75 | 439.75 | |
| Spread: | -328 | 328 | |