| Tournament | Round | Ruby Kotwall | Liz Jackman |
| 20.06.1998 Wollongong Marj Babb (NSW) | 5 | 398 | 268 |
| 26.07.1998 Winter Masters (NSW) | 3 | 313 | 364 |
| 05.10.1998 New South Wales Championships (NSW) | 19 | 300 | 350 |
| 05.04.1999 Australian Championships (NSW) | 16 | 369 | 387 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 345 | 342.25 | |
| Spread: | 11 | -11 | |