| Date | Tournament | State | 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 | |||