| Date | Tournament | State | Round | Sandra Morgan | Sue Armstrong |
|---|---|---|---|---|---|
| 15/03/1998 | Bunbury | WA | 2 | 392 | 347 |
| 14/03/1999 | Bunbury | WA | 6 | 343 | 390 |
| 03/10/1999 | Yokine | WA | 6 | 468 | 359 |
| 17/10/1999 | Rockingham | WA | 2 | 347 | 399 |
| 08/07/2000 | Bassendean | WA | 6 | 360 | 348 |
| 30/09/2001 | Manjimup | WA | 5 | 325 | 398 |
| 09/12/2001 | Praxis | WA | 3 | 396 | 412 |
| 10/03/2002 | Bunbury | WA | 6 | 364 | 360 |
| 16/03/2003 | Bunbury | WA | 1 | 407 | 322 |
| 25/05/2003 | Melville | WA | 1 | 454 | 286 |
| 31/05/2003 | Western Australian Championships | WA | 15 | 484 | 297 |
| 28/09/2003 | Manjimup | WA | 2 | 472 | 279 |
| 23/10/2005 | Rockingham | WA | 3 | 445 | 346 |
| Head-to-head after 13 games | 9 | 4 | |||
| Average score | 404.38 | 349.46 | |||
| Spread | 714 | -714 | |||