| Tournament | Round | Joan Buchanan | Kerry Constable |
| 20.06.1998 Wollongong Marj Babb (NSW) | 2 | 394 | 296 |
| 21.05.1999 Ulladulla (NSW) | 3 | 349 | 369 |
| 22.10.2006 ACT Championships (ACT) | 7 | 402 | 370 |
| 03.08.2008 Southern Tablelands Challenge (NSW) | 1 | 333 | 438 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 369.5 | 368.25 | |
| Spread: | 5 | -5 | |