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