| Tournament | Round | Mary Mackie | Betty Egan |
| 16.05.2004 Dandenong (VIC) | 1 | 396 | 377 |
| 16.01.2005 Aestival (VIC) | 3 | 386 | 382 |
| 13.02.2005 Camberwell (VIC) | 5 | 341 | 285 |
| 21.01.2007 AESTIVAL FESTIVAL 2007 (VIC) | 5 | 357 | 353 |
| 26.06.2011 WSC Fundraiser (VIC) | 2 | 354 | 348 |
| 10.02.2013 Camberwell (VIC) | 2 | 272 | 381 |
| Head-to-head after 6 games | 5 | 1 | |
| Average score | 351 | 354.33 | |
| Spread: | -20 | 20 | |