| Tournament | Round | Marge Roberts | Pat Parkinson |
| 30.09.2001 Manjimup (WA) | 1 | 333 | 312 |
| 24.09.2005 Manjimup Maximin (WA) | 5 | 401 | 314 |
| 23.10.2005 Rockingham (WA) | 1 | 306 | 319 |
| 01.10.2006 Manjimup (WA) | 6 | 243 | 350 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 320.75 | 323.75 | |
| Spread: | -12 | 12 | |