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