| Tournament | Round | Carol Johnsen | Susan Roberts |
| 14.07.2013 SA/Vic Border Challenge (SA) | 1 | 523 | 336 |
| 19.10.2014 SA/Vic Border Challenge (VIC) | 3 | 418 | 326 |
| 18.10.2015 SA/Vic Border Challenge (SA) | 2 | 345 | 435 |
| 12.11.2022 VIC vs SA Challenge (VIC) | 5 | 549 | 273 |
| 19.04.2025 National Championship and Plate (SA) | 20 | 446 | 323 |
| Head-to-head after 5 games | 4 | 1 | |
| Average score | 456.2 | 338.6 | |
| Spread: | 588 | -588 | |