| Tournament | Round | Gillian Briggs | Margaret Gibson |
| 14.08.2010 August (SA) | 2 | 279 | 451 |
| 11.09.2010 September (SA) | 5 | 430 | 440 |
| 10.10.2010 SA October (SA) | 3 | 305 | 471 |
| 09.07.2011 SA July (SA) | 5 | 366 | 403 |
| Head-to-head after 4 games | 0 | 4 | |
| Average score | 345 | 441.25 | |
| Spread: | -385 | 385 | |