| Tournament | Round | Lorraine Cook | Valerie Bossert |
| 12.11.2005 Cleveland (QLD) | 5 | 332 | 214 |
| 15.01.2006 Greenbank (QLD) | 7 | 345 | 208 |
| 21.01.2007 Greenbank (QLD) | 1 | 370 | 206 |
| 06.05.2012 Alzheimer's FR Sunday (QLD) | 7 | 329 | 249 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 344 | 219.25 | |
| Spread: | 499 | -499 | |