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