| Tournament | Round | Hanne Marks | Ruby Kotwall |
| 26.07.1998 Winter Masters (NSW) | 16 | 383 | 344 |
| 05.10.1998 New South Wales Championships (NSW) | 4 | 261 | 414 |
| 05.04.1999 Australian Championships (NSW) | 11 | 302 | 350 |
| 05.04.1999 Australian Championships (NSW) | 21 | 320 | 386 |
| 11.09.2000 St George (NSW) | 7 | 263 | 581 |
| Head-to-head after 5 games | 1 | 4 | |
| Average score | 305.8 | 415 | |
| Spread: | -546 | 546 | |