| Tournament | Round | Helene Slode | Mary Mackie |
| 16.05.1998 Dandenong (VIC) | 4 | 359 | 322 |
| 27.09.1998 Essendon (VIC) | 6 | 376 | 321 |
| 17.01.1999 Bil Rose Aestival (VIC) | 3 | 383 | 282 |
| 17.04.1999 Knox-Gully (VIC) | 5 | 320 | 358 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 359.5 | 320.75 | |
| Spread: | 155 | -155 | |