| Tournament | Round | Ivor Zetler | Caroline Scowcroft |
| 30.05.2010 Revesby (NSW) | 3 | 377 | 478 |
| 04.07.2010 BEECROFT MARATHON (NSW) | 13 | 288 | 426 |
| 17.07.2011 Winter Masters (NSW) | 2 | 376 | 316 |
| 17.07.2011 Winter Masters (NSW) | 20 | 470 | 240 |
| 21.04.2014 Australian Championship (NSW) | 15 | 391 | 407 |
| 31.07.2016 Winter Masters (NSW) | 6 | 361 | 349 |
| 16.10.2016 Spring Marathon (NSW) | 3 | 379 | 464 |
| 29.01.2017 City of Sydney International Masters (NSW) | 20 | 358 | 351 |
| 28.01.2018 City of Sydney International Masters (NSW) | 16 | 433 | 353 |
| 01.09.2018 Teams Challenge (NSW) | 2 | 337 | 328 |
| 13.10.2018 Spring Marathon (NSW) | 6 | 338 | 350 |
| 21.09.2019 Beecroft Marathon (NSW) | 12 | 329 | 398 |
| 26.10.2019 Spring Marathon (NSW) | 3 | 370 | 339 |
| 29.01.2023 CSIM2023 (NSW) | 10 | 413 | 356 |
| 29.01.2023 CSIM2023 (NSW) | 12 | 394 | 427 |
| 02.09.2023 AUSTRALIAN MASTERS (NSW) | 8 | 373 | 359 |
| 08.06.2024 2024 Victorian Championship (VIC) | 4 | 398 | 417 |
| Head-to-head after 17 games | 9 | 8 | |
| Average score | 375.58 | 374 | |
| Spread: | 27 | -27 | |