| Tournament | Round | Mary McMahon | Marie Retallick |
| 06.12.1998 Brighton (VIC) | 2 | 326 | 302 |
| 17.10.1999 Frankston (VIC) | 4 | 485 | 386 |
| 05.12.1999 McKinnon (VIC) | 5 | 392 | 344 |
| 16.05.2004 Dandenong (VIC) | 3 | 323 | 407 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 381.5 | 359.75 | |
| Spread: | 87 | -87 | |