| Tournament | Round | Mary McMahon | Don Marshall |
| 27.09.1998 Essendon (VIC) | 6 | 341 | 408 |
| 07.03.1999 Bendigo (VIC) | 1 | 513 | 247 |
| 23.09.2000 Essendon (VIC) | 1 | 378 | 343 |
| 29.01.2005 Ballarat (VIC) | 6 | 430 | 368 |
| 06.11.2005 Geelong (VIC) | 2 | 464 | 297 |
| 07.06.2008 VIC CHAMPS (VIC) | 6 | 352 | 362 |
| 06.09.2008 Ballarat (VIC) | 4 | 393 | 373 |
| 05.09.2009 Ballarat Spring (VIC) | 2 | 430 | 320 |
| 07.08.2010 Country Daylesford (VIC) | 3 | 357 | 361 |
| 27.08.2011 Ballarat Winter (VIC) | 5 | 392 | 359 |
| 11.11.2012 Geelong (VIC) | 5 | 378 | 392 |
| 09.11.2014 Geelong (VIC) | 6 | 398 | 338 |
| Head-to-head after 12 games | 8 | 4 | |
| Average score | 402.16 | 347.33 | |
| Spread: | 658 | -658 | |