| Tournament | Round | Cathie Barrett | Di Palmer |
| 17.10.2004 Rockingham (WA) | 3 | 269 | 292 |
| 23.10.2005 Rockingham (WA) | 1 | 280 | 343 |
| 18.02.2007 Fremantle (WA) | 1 | 378 | 352 |
| 21.10.2007 Rockingham (WA) | 2 | 289 | 269 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 304 | 314 | |
| Spread: | -40 | 40 | |