| Date | Tournament | State | Round | Robin Andersen | Sandra Morgan |
|---|---|---|---|---|---|
| 26/04/1998 | Nedlands | WA | 2 | 388 | 372 |
| 30/09/2001 | Manjimup | WA | 2 | 481 | 314 |
| 13/01/2002 | WA Open | WA | 3 | 376 | 387 |
| 26/05/2002 | Melville | WA | 4 | 342 | 341 |
| 23/02/2003 | Kwinana | WA | 5 | 397 | 465 |
| 06/06/2005 | Western Australian Championships | WA | 19 | 446 | 324 |
| 19/06/2005 | Hamersley | WA | 7 | 446 | 401 |
| 12/03/2006 | Bunbury | WA | 3 | 460 | 373 |
| 04/06/2006 | Western Australian Championships | WA | 10 | 297 | 400 |
| 04/06/2006 | Western Australian Championships | WA | 20 | 304 | 522 |
| 20/08/2006 | Yokine | WA | 2 | 411 | 367 |
| 01/10/2006 | Manjimup | WA | 3 | 458 | 408 |
| 07/03/2007 | Mandurah | WA | 5 | 334 | 398 |
| Head-to-head after 13 games | 8 | 5 | |||
| Average score | 395.38 | 390.15 | |||
| Spread | 68 | -68 | |||