| Tournament | Round | Mary McMahon | Betty Egan |
| 03.05.2009 WSC FUND RAISER MAY (VIC) | 4 | 447 | 304 |
| 26.06.2011 WSC Fundraiser (VIC) | 1 | 344 | 352 |
| 09.06.2014 Vic Champs (VIC) | 16 | 293 | 337 |
| 09.06.2014 Vic Champs (VIC) | 24 | 459 | 287 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 385.75 | 320 | |
| Spread: | 263 | -263 | |