| Tournament | Round | Hanne Marks | Joan Buchanan |
| 15.03.1998 Sutherland (NSW) | 2 | 327 | 365 |
| 12.07.1998 Chatswood (NSW) | 3 | 379 | 381 |
| 05.10.1998 New South Wales Championships (NSW) | 3 | 383 | 304 |
| 04.10.1999 New South Wales Championships (NSW) | 7 | 460 | 331 |
| 19.02.2000 Wollongong (NSW) | 7 | 359 | 410 |
| 17.06.2000 Wollongong Marj Babb (NSW) | 1 | 311 | 463 |
| 27.06.2009 Winter ACT 2009 (ACT) | 7 | 377 | 365 |
| 31.10.2009 Nowra 2009 (NSW) | 7 | 400 | 325 |
| Head-to-head after 8 games | 4 | 4 | |
| Average score | 374.5 | 368 | |
| Spread: | 52 | -52 | |