| Tournament | Round | Mary McMahon | Beryl Bourne |
| 28.12.2003 Decathon (VIC) | 7 | 287 | 440 |
| 04.04.2004 Langwarrin (VIC) | 5 | 380 | 424 |
| 14.06.2004 Victorian Championships (VIC) | 21 | 353 | 415 |
| 27.11.2005 McKinnon (VIC) | 5 | 410 | 423 |
| 10.06.2006 vic06 3 DAY (VIC) | 20 | 362 | 417 |
| 22.04.2007 Melbourne Team Challenge (VIC) | 6 | 435 | 305 |
| 11.06.2007 Victorian Championships (VIC) | 6 | 531 | 333 |
| 25.05.2008 Dandenong (VIC) | 1 | 453 | 401 |
| 14.06.2010 Queen's Birthday (VIC) | 6 | 446 | 364 |
| Head-to-head after 9 games | 4 | 5 | |
| Average score | 406.33 | 391.33 | |
| Spread: | 135 | -135 | |