| Tournament | Round | Donna MacDonald | Ivor Zetler |
| 20.10.2001 Spring Marathon (NSW) | 1 | 420 | 374 |
| 24.07.2005 Winter Masters (NSW) | 5 | 386 | 470 |
| 27.02.2010 Matchplay Qualifier (NSW) | 1 | 403 | 324 |
| 02.10.2017 NSW CHAMPS (NSW) | 3 | 316 | 403 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 381.25 | 392.75 | |
| Spread: | -46 | 46 | |