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