| Tournament | Round | Gwen Lampre | Ivor Zetler |
| 26.07.1998 Winter Masters (NSW) | 8 | 445 | 327 |
| 26.07.1998 Winter Masters (NSW) | 20 | 479 | 265 |
| 24.07.2005 Winter Masters (NSW) | 4 | 458 | 427 |
| 24.07.2005 Winter Masters (NSW) | 12 | 394 | 348 |
| 24.03.2008 Australian Championship (VIC) | 11 | 535 | 396 |
| 08.06.2015 Vic Championship (VIC) | 17 | 417 | 392 |
| 10.09.2017 AMSC 2017 (SA) | 15 | 430 | 306 |
| 09.09.2018 Australian Masters and State Team Challenge (QLD) | 6 | 452 | 279 |
| 18.09.2022 MASTERS and STATE CHALLENGE (VIC) | 7 | 334 | 387 |
| 08.04.2023 AUS CHAMPS (VIC) | 5 | 389 | 479 |
| Head-to-head after 10 games | 8 | 2 | |
| Average score | 433.3 | 360.6 | |
| Spread: | 727 | -727 | |