| Tournament | Round | Betty mitchell | Claire Humzy |
| 22.11.1998 Xmas (SA) | 4 | 277 | 343 |
| 14.02.1999 South Australian Championships (SA) | 5 | 350 | 362 |
| 21.03.1999 March (SA) | 2 | 328 | 347 |
| 18.07.2010 SA Pub July (SA) | 4 | 351 | 340 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 326.5 | 348 | |
| Spread: | -86 | 86 | |