| Tournament | Round | Ruth MacInerney | Ivor Zetler |
| 02.01.2004 Janboree (NSW) | 3 | 359 | 346 |
| 28.01.2019 City Of Sydney International Masters (NSW) | 18 | 401 | 427 |
| 03.11.2022 Seniors Championship (NSW) | 20 | 390 | 447 |
| Head-to-head after 3 games | 1 | 2 | |
| Average score | 383.33 | 406.66 | |
| Spread: | -70 | 70 | |