| Date | Tournament | State | Round | Colleen Birch | Dianne Davis |
|---|---|---|---|---|---|
| 05/04/2010 | Aus Championship | SA | 13 | 355 | 357 |
| 25/04/2011 | Aus Championship | ACT | 24 | 407 | 407 |
| 17/04/2016 | Tristate Challenge | NSW | 6 | 478 | 229 |
| 02/04/2018 | 2018 National Championship | ACT | 19 | 326 | 423 |
| Head-to-head after 4 games | 1.5 | 2.5 | |||
| Average score | 391.50 | 354.00 | |||
| Spread | 150 | -150 | |||