| Date | Tournament | State | Round | Ivor Zetler | Colleen Birch |
|---|---|---|---|---|---|
| 11/01/2009 | Baulkham Hills Yearly Nearly Early | NSW | 3 | 307 | 283 |
| 04/03/2012 | Balmain BUGS | NSW | 6 | 441 | 332 |
| 07/01/2017 | Janboree | NSW | 3 | 345 | 317 |
| 03/06/2017 | Central Coast | NSW | 1 | 381 | 347 |
| 04/01/2020 | JanBoree | NSW | 8 | 369 | 450 |
| 05/06/2021 | BEECROFT MARATHON | NSW | 6 | 515 | 316 |
| 13/11/2021 | 2021 NSW Championship | NSW | 4 | 453 | 388 |
| 08/01/2022 | JANBOREE | NSW | 8 | 359 | 480 |
| 04/01/2025 | JanBoree | NSW | 3 | 351 | 405 |
| Head-to-head after 9 games | 6 | 3 | |||
| Average score | 391.22 | 368.67 | |||
| Spread | 203 | -203 | |||