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