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