| Tournament | Round | Ivor Zetler | John Spaan |
| 30.01.2000 City of Sydney International Masters (NSW) | 1 | 362 | 413 |
| 21.10.2000 Spring Marathon (NSW) | 8 | 380 | 392 |
| 06.07.2002 Chatswood (NSW) | 5 | 365 | 368 |
| 07.12.2002 North Shore (NSW) | 2 | 289 | 394 |
| 02.01.2004 Janboree (NSW) | 8 | 379 | 416 |
| 24.07.2005 Winter Masters (NSW) | 9 | 357 | 416 |
| 20.07.2008 Winter Masters (NSW) | 20 | 428 | 395 |
| 08.01.2012 Janboree (NSW) | 3 | 378 | 370 |
| 10.09.2017 AMSC 2017 (SA) | 7 | 369 | 409 |
| 09.09.2018 Australian Masters and State Team Challenge (QLD) | 13 | 351 | 406 |
| 19.06.2021 WORDS WINTER 19 JUNE (NSW) | 2 | 435 | 330 |
| 19.04.2025 National Championship and Plate (SA) | 6 | 388 | 429 |
| Head-to-head after 12 games | 3 | 9 | |
| Average score | 373.41 | 394.83 | |
| Spread: | -257 | 257 | |