| Tournament | Round | Mary McMahon | Sandra Masel |
| 27.06.2010 Trans Tasman Support (VIC) | 3 | 422 | 350 |
| 14.08.2011 2011 Vic AGM (VIC) | 3 | 358 | 418 |
| 27.08.2011 Ballarat Winter (VIC) | 2 | 421 | 265 |
| 10.02.2013 Camberwell (VIC) | 4 | 310 | 364 |
| 03.03.2013 TEAM CHALLENGE (VIC) | 7 | 363 | 370 |
| 10.06.2013 QUEEN'S BIRTHDAY (VIC) | 4 | 416 | 437 |
| 09.11.2014 Geelong (VIC) | 1 | 408 | 302 |
| 01.02.2015 CAMBERWELL (VIC) | 1 | 369 | 309 |
| 19.07.2015 Matchplay 2015 (VIC) | 6 | 423 | 380 |
| Head-to-head after 9 games | 5 | 4 | |
| Average score | 387.77 | 355 | |
| Spread: | 295 | -295 | |