| Tournament | Round | Marilyn Mackie | June Stephenson |
| 05.10.1998 New South Wales Championships (NSW) | 16 | 336 | 371 |
| 05.10.1998 New South Wales Championships (NSW) | 20 | 441 | 322 |
| 05.10.1998 New South Wales Championships (NSW) | 21 | 358 | 297 |
| Head-to-head after 3 games | 2 | 1 | |
| Average score | 378.33 | 330 | |
| Spread: | 145 | -145 | |