| Tournament | Round | Ivor Zetler | Krystyna Batten |
| 14.10.2006 Spring Marathon (NSW) | 10 | 413 | 288 |
| 16.10.2010 Spring Marathon (NSW) | 8 | 425 | 382 |
| 14.10.2012 SPRING MARATHON (NSW) | 4 | 379 | 424 |
| 18.08.2013 Baulkham Hills Open (NSW) | 7 | 416 | 332 |
| 18.10.2015 Spring Marathon (NSW) | 1 | 413 | 426 |
| 23.01.2021 CSIM (NSW) | 1 | 433 | 356 |
| 16.10.2021 SPRING MARATHON (NSW) | 2 | 367 | 297 |
| 02.04.2022 LAKE MACQUARIE 2022 (NSW) | 4 | 445 | 243 |
| 07.10.2024 NSW CHAMPIONSHIP 2024 (NSW) | 5 | 438 | 378 |
| Head-to-head after 9 games | 7 | 2 | |
| Average score | 414.33 | 347.33 | |
| Spread: | 603 | -603 | |