| Tournament | Round | Glenys Dettmann | Carol Colwill |
| 16.10.2011 SA/Vic Border Challenge (SA) | 10 | 388 | 318 |
| 14.07.2013 SA/Vic Border Challenge (SA) | 10 | 419 | 308 |
| 28.03.2016 Australian Championship (SA) | 23 | 279 | 419 |
| Head-to-head after 3 games | 2 | 1 | |
| Average score | 362 | 348.33 | |
| Spread: | 41 | -41 | |