| Tournament | Round | Colleen Birch | Bev Purkis |
| 27.08.2000 Baulkham Hills Open (NSW) | 7 | 298 | 347 |
| 09.09.2001 Baulkham Hills Open (NSW) | 1 | 419 | 381 |
| 17.08.2003 Revesby (NSW) | 7 | 315 | 418 |
| 06.03.2005 Balmain BUGS (NSW) | 4 | 357 | 291 |
| 15.01.2006 Baulkham Hills Kick-Off (NSW) | 2 | 343 | 339 |
| 05.03.2006 Balmain BUGS (NSW) | 8 | 379 | 377 |
| 13.01.2008 Hills Yearly Nearly Early (NSW) | 8 | 365 | 312 |
| Head-to-head after 7 games | 5 | 2 | |
| Average score | 353.71 | 352.14 | |
| Spread: | 11 | -11 | |