| Tournament | Round | Cathie Barrett | Margaret Wilton |
| 29.02.2004 Kwinana (WA) | 4 | 266 | 370 |
| 17.10.2004 Rockingham (WA) | 6 | 248 | 313 |
| 23.10.2005 Rockingham (WA) | 6 | 239 | 352 |
| 20.05.2007 Melville (WA) | 5 | 329 | 303 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 270.5 | 334.5 | |
| Spread: | -256 | 256 | |