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