| Tournament | Round | Natalie Tadday | Margaret Ackman |
| 10.07.1999 Chatswood (NSW) | 2 | 315 | 297 |
| 04.10.1999 New South Wales Championships (NSW) | 8 | 389 | 310 |
| 26.02.2005 NSW Matchplay Qualifier (NSW) | 5 | 352 | 241 |
| Head-to-head after 3 games | 3 | 0 | |
| Average score | 352 | 282.66 | |
| Spread: | 208 | -208 | |