| Tournament | Round | Colleen Birch | Betty Foreman |
| 17.08.2003 Revesby (NSW) | 3 | 273 | 390 |
| 11.09.2005 Hills Open (NSW) | 6 | 341 | 409 |
| 14.12.2008 WAITARA CHRISTMAS 2008 (NSW) | 3 | 406 | 347 |
| 10.01.2010 Yearly Nearly Early (NSW) | 4 | 456 | 411 |
| 05.04.2010 Aus Championship (SA) | 12 | 380 | 320 |
| 05.04.2010 Aus Championship (SA) | 20 | 365 | 424 |
| 16.01.2011 Yearly Nearly Early (NSW) | 7 | 348 | 341 |
| 25.04.2011 Aus Championship (ACT) | 15 | 364 | 353 |
| 03.03.2013 Balmain BUGS (NSW) | 1 | 410 | 279 |
| 01.03.2015 BUGS (NSW) | 6 | 374 | 341 |
| 06.03.2016 Bugs/Sydney (NSW) | 7 | 357 | 294 |
| Head-to-head after 11 games | 8 | 3 | |
| Average score | 370.36 | 355.36 | |
| Spread: | 165 | -165 | |