| Tournament | Round | Keith Merritt | Rosemary Collins |
| 16.07.2006 Newmarket (QLD) | 9 | 278 | 276 |
| 01.07.2007 Coominya (QLD) | 1 | 291 | 339 |
| 28.10.2007 Mindbenders Tournament (QLD) | 2 | 324 | 366 |
| 10.02.2008 Ipswich (QLD) | 1 | 329 | 306 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 305.5 | 321.75 | |
| Spread: | -65 | 65 | |