| Tournament | Round | Joan Ashton | Barbara Senior |
| 19.01.2000 January Open (SA) | 2 | 348 | 351 |
| 13.03.2005 South Australian Championships (SA) | 1 | 368 | 332 |
| 08.02.2009 SA February Tournament (SA) | 5 | 341 | 255 |
| Head-to-head after 3 games | 2 | 1 | |
| Average score | 352.33 | 312.66 | |
| Spread: | 119 | -119 | |