| Tournament | Round | Joy Duggan | Mercia Cadan |
| 22.06.2003 Nunawading (VIC) | 1 | 356 | 250 |
| 16.05.2004 Dandenong (VIC) | 5 | 434 | 314 |
| 15.05.2005 Dandenong (VIC) | 2 | 406 | 367 |
| 03.07.2005 Nunawading (VIC) | 3 | 382 | 311 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 394.5 | 310.5 | |
| Spread: | 336 | -336 | |