| Tournament | Round | Joan Buchanan | Judy Hay |
| 05.10.1998 New South Wales Championships (NSW) | 1 | 398 | 332 |
| 21.05.1999 Ulladulla (NSW) | 8 | 349 | 279 |
| 11.09.1999 St George (NSW) | 3 | 366 | 310 |
| 04.10.1999 New South Wales Championships (NSW) | 16 | 266 | 417 |
| 19.02.2000 Wollongong (NSW) | 2 | 400 | 259 |
| 21.05.2000 Ulladulla (NSW) | 1 | 346 | 355 |
| 21.05.2000 Ulladulla (NSW) | 14 | 302 | 386 |
| 27.05.2001 Ulladulla (NSW) | 1 | 333 | 401 |
| 10.11.2001 Sydney (NSW) | 1 | 433 | 359 |
| 09.12.2001 ACT Championships (ACT) | 10 | 304 | 423 |
| 09.11.2002 Sydney (NSW) | 6 | 361 | 383 |
| 24.11.2002 ACT Championships (ACT) | 6 | 369 | 349 |
| 24.03.2003 Blue Mountains (NSW) | 1 | 319 | 370 |
| 15.07.2007 Winter Challenge (NSW) | 5 | 307 | 392 |
| 23.08.2008 revesby8 (NSW) | 7 | 434 | 297 |
| 15.11.2008 ACT Champs (ACT) | 13 | 344 | 335 |
| 03.01.2009 Janboree (NSW) | 9 | 442 | 341 |
| Head-to-head after 17 games | 9 | 8 | |
| Average score | 357.23 | 352.23 | |
| Spread: | 85 | -85 | |