| Tournament | Round | Carol Colwill | Dorothy Barraclough |
| 16.10.2011 SA/Vic Border Challenge (SA) | 6 | 309 | 365 |
| 09.04.2012 Australian Championship (TAS) | 6 | 349 | 373 |
| 07.10.2012 Vic/SA Border Challenge (VIC) | 2 | 300 | 374 |
| 22.10.2017 SA/Vic Border Challenge (SA) | 3 | 346 | 438 |
| Head-to-head after 4 games | 0 | 4 | |
| Average score | 326 | 387.5 | |
| Spread: | -246 | 246 | |