| Tournament | Round | Joan Buchanan | Susan MacGillivray |
| 14.02.1998 Wollongong WORDS Valentine (NSW) | 2 | 393 | 241 |
| 05.10.1998 New South Wales Championships (NSW) | 11 | 408 | 370 |
| 05.10.1998 New South Wales Championships (NSW) | 22 | 437 | 282 |
| 21.05.1999 Ulladulla (NSW) | 6 | 336 | 360 |
| 17.11.2007 ACT Champs 2007 (ACT) | 1 | 308 | 536 |
| 17.11.2007 ACT Champs 2007 (ACT) | 10 | 241 | 412 |
| Head-to-head after 6 games | 3 | 3 | |
| Average score | 353.83 | 366.83 | |
| Spread: | -78 | 78 | |