| Tournament | Round | Lorraine Cook | Merle Sharrock |
| 17.04.2006 Australian Championships (QLD) | 4 | 310 | 301 |
| 17.04.2006 Australian Championships (QLD) | 19 | 299 | 327 |
| 24.03.2008 Australian Championship (VIC) | 5 | 281 | 354 |
| 24.03.2008 Australian Championship (VIC) | 19 | 303 | 336 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 298.25 | 329.5 | |
| Spread: | -125 | 125 | |