| Tournament | Round | Colleen Birch | Judy Hay |
| 09.09.2001 Baulkham Hills Open (NSW) | 7 | 323 | 423 |
| 15.01.2006 Baulkham Hills Kick-Off (NSW) | 4 | 397 | 333 |
| 15.11.2009 Sydney Club (NSW) | 4 | 431 | 319 |
| 11.09.2011 BAULKHAM HILLS (NSW) | 8 | 466 | 294 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 404.25 | 342.25 | |
| Spread: | 248 | -248 | |