| Tournament | Round | Betty Mitchell | Joyce Brooks |
| 24.07.2000 July (SA) | 3 | 280 | 382 |
| 20.08.2000 Unley (SA) | 3 | 286 | 365 |
| 09.03.2002 South Australian Championships (SA) | 5 | 306 | 385 |
| 21.04.2003 Australian Championships (SA) | 6 | 328 | 361 |
| Head-to-head after 4 games | 0 | 4 | |
| Average score | 300 | 373.25 | |
| Spread: | -293 | 293 | |