| Tournament | Round | Betty mitchell | Joan Ashton |
| 19.07.1998 July (SA) | 4 | 420 | 286 |
| 12.09.1998 September (SA) | 6 | 323 | 308 |
| 25.10.1998 October (SA) | 4 | 323 | 327 |
| 19.01.2000 January Open (SA) | 6 | 304 | 290 |
| 13.02.2000 South Australian Championships (SA) | 3 | 407 | 374 |
| 09.02.2001 Unley February (SA) | 2 | 386 | 272 |
| Head-to-head after 6 games | 5 | 1 | |
| Average score | 360.5 | 309.5 | |
| Spread: | 306 | -306 | |