| Tournament | Round | Ivor Zetler | Carol Johnsen |
| 25.04.2011 Aus Championship (ACT) | 24 | 372 | 448 |
| 21.04.2014 Australian Championship (NSW) | 20 | 483 | 359 |
| 31.01.2016 CSIM 2016 (NSW) | 8 | 348 | 458 |
| 31.01.2016 CSIM 2016 (NSW) | 16 | 339 | 428 |
| 10.09.2017 AMSC 2017 (SA) | 3 | 366 | 486 |
| 09.09.2018 Australian Masters and State Team Challenge (QLD) | 7 | 349 | 433 |
| 22.04.2019 2019 Australian Championship (TAS) | 23 | 457 | 372 |
| 03.04.2021 OZ CHAMPS (NSW) | 2 | 405 | 472 |
| 02.09.2023 AUSTRALIAN MASTERS (NSW) | 6 | 321 | 347 |
| Head-to-head after 9 games | 2 | 7 | |
| Average score | 382.22 | 422.55 | |
| Spread: | -363 | 363 | |