| Tournament | Round | Helen Stephens | Mary Packenham |
| 21.03.1999 March (SA) | 3 | 307 | 276 |
| 25.07.1999 July (SA) | 3 | 330 | 311 |
| 13.02.2000 South Australian Championships (SA) | 2 | 309 | 344 |
| 19.03.2000 March (SA) | 3 | 373 | 264 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 329.75 | 298.75 | |
| Spread: | 124 | -124 | |