| Tournament | Round | Margaret Gibson | Joan King |
| 13.01.2002 January Open (SA) | 5 | 389 | 343 |
| 18.08.2002 August (SA) | 6 | 390 | 308 |
| 10.03.2013 SA Championship (SA) | 14 | 332 | 321 |
| 28.04.2013 Civil War (SA) | 3 | 330 | 336 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 360.25 | 327 | |
| Spread: | 133 | -133 | |