| Tournament | Round | Rosemarie Mitchell | Rangi Collins |
| 10.04.2010 McLaren Vale (SA) | 1 | 356 | 234 |
| 09.07.2011 SA July (SA) | 3 | 343 | 328 |
| 16.06.2012 SA June (SA) | 2 | 355 | 257 |
| 10.08.2013 SA August (SA) | 5 | 329 | 313 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 345.75 | 283 | |
| Spread: | 251 | -251 | |