| Tournament | Round | Mary McMahon | Teresa Dean |
| 07.03.2004 South Australian Championships (SA) | 3 | 338 | 338 |
| 07.03.2004 South Australian Championships (SA) | 11 | 281 | 360 |
| 14.06.2004 Victorian Championships (VIC) | 17 | 419 | 322 |
| 10.06.2006 vic06 3 DAY (VIC) | 23 | 436 | 373 |
| 28.03.2016 Australian Championship (SA) | 23 | 437 | 384 |
| Head-to-head after 5 games | 3.5 | 1.5 | |
| Average score | 382.2 | 355.4 | |
| Spread: | 134 | -134 | |