| Tournament | Round | Margaret Gibson | Carol Johnsen |
| 23.10.2010 Vic/SA Border Challenge (VIC) | 2 | 398 | 406 |
| 07.10.2012 Vic/SA Border Challenge (VIC) | 10 | 421 | 347 |
| 14.07.2013 SA/Vic Border Challenge (SA) | 5 | 346 | 512 |
| 16.10.2016 Vic/SA Border Challenge (VIC) | 4 | 335 | 457 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 375 | 430.5 | |
| Spread: | -222 | 222 | |