| Tournament | Round | Heather Lowden | Marlene Brown |
| 25.07.1999 July (SA) | 5 | 351 | 364 |
| 22.08.1999 August (SA) | 6 | 362 | 366 |
| 25.07.2004 Brighton (SA) | 6 | 327 | 343 |
| 18.09.2004 Southern Tournament (SA) | 1 | 387 | 301 |
| 27.11.2004 Grange Fun Day (SA) | 2 | 412 | 286 |
| 17.07.2005 July (SA) | 6 | 332 | 340 |
| 21.08.2005 August (SA) | 5 | 350 | 369 |
| 20.11.2005 November (SA) | 1 | 270 | 388 |
| Head-to-head after 8 games | 2 | 6 | |
| Average score | 348.87 | 344.62 | |
| Spread: | 34 | -34 | |