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