| Tournament | Round | Mary McMahon | Paula Messer |
| 26.04.1998 Western Suburbs (VIC) | 2 | 437 | 321 |
| 14.06.2004 Victorian Championships (VIC) | 3 | 424 | 317 |
| 07.04.2007 Not The Nationals (VIC) | 7 | 329 | 427 |
| 03.05.2009 WSC FUND RAISER MAY (VIC) | 6 | 510 | 375 |
| 14.08.2011 2011 Vic AGM (VIC) | 4 | 408 | 293 |
| 20.01.2013 BIL ROSE AESTIVAL (VIC) | 4 | 335 | 382 |
| 10.11.2013 Geelong (VIC) | 2 | 264 | 355 |
| Head-to-head after 7 games | 4 | 3 | |
| Average score | 386.71 | 352.85 | |
| Spread: | 237 | -237 | |