| Tournament | Round | Betty Mitchell | Margaret Gibson |
| 18.11.2001 SA/Victoria Border Challenge (VIC) | 8 | 381 | 305 |
| 13.01.2002 January Open (SA) | 3 | 363 | 370 |
| 07.11.2002 September (SA) | 3 | 334 | 445 |
| 22.05.2011 SA May (SA) | 2 | 344 | 370 |
| 05.05.2012 SA MAY (SA) | 4 | 274 | 369 |
| 23.01.2016 4-4-4 Tournament (SA) | 1 | 392 | 353 |
| Head-to-head after 6 games | 2 | 4 | |
| Average score | 348 | 368.66 | |
| Spread: | -124 | 124 | |