| Tournament | Round | Natalie Tadday | Merle Young |
| 05.06.1999 Wollongong Marj Babb (NSW) | 7 | 367 | 337 |
| 10.07.1999 Chatswood (NSW) | 1 | 317 | 434 |
| 23.10.1999 Spring Marathon (NSW) | 4 | 326 | 317 |
| 14.11.1999 Sydney (NSW) | 5 | 401 | 367 |
| 18.11.2000 Sydney (NSW) | 6 | 304 | 344 |
| 01.10.2001 New South Wales Championships (NSW) | 5 | 306 | 326 |
| 10.11.2001 Sydney (NSW) | 1 | 466 | 337 |
| 06.10.2003 NSW Championships (NSW) | 1 | 338 | 334 |
| Head-to-head after 8 games | 5 | 3 | |
| Average score | 353.12 | 349.5 | |
| Spread: | 29 | -29 | |