| Tournament | Round | Heather Lowden | Margaret Sella |
| 21.11.1999 November (SA) | 4 | 257 | 384 |
| 19.03.2000 March (SA) | 3 | 330 | 320 |
| 13.03.2005 South Australian Championships (SA) | 3 | 377 | 359 |
| 13.03.2005 South Australian Championships (SA) | 10 | 387 | 356 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 337.75 | 354.75 | |
| Spread: | -68 | 68 | |