| Tournament | Round | Rosemary Collins | Merle Skopp |
| 30.04.2005 May Charity Weekend - Day 1 (QLD) | 2 | 272 | 379 |
| 29.12.2005 Last Chance (QLD) | 2 | 302 | 323 |
| 29.12.2005 Last Chance (QLD) | 7 | 280 | 338 |
| 10.09.2006 Toowoomba (QLD) | 5 | 270 | 303 |
| 29.12.2007 LAST CHANCE (QLD) | 2 | 395 | 278 |
| 29.12.2007 LAST CHANCE (QLD) | 7 | 423 | 365 |
| 10.10.2009 Red Hill (QLD) | 3 | 375 | 332 |
| 10.10.2009 Red Hill (QLD) | 4 | 367 | 306 |
| 10.10.2009 Red Hill (QLD) | 7 | 434 | 292 |
| 27.12.2010 LAST CHANCE 2010 (QLD) | 5 | 355 | 305 |
| 27.12.2010 LAST CHANCE 2010 (QLD) | 9 | 265 | 409 |
| 27.12.2011 Last Chance (QLD) | 5 | 345 | 267 |
| Head-to-head after 12 games | 7 | 5 | |
| Average score | 340.25 | 324.75 | |
| Spread: | 186 | -186 | |