| Tournament | Round | Duncan Smith | Sharon Sorensen |
| 04.12.2004 North Shore (NSW) | 7 | 328 | 338 |
| 07.01.2017 Janboree (NSW) | 4 | 384 | 316 |
| 06.01.2018 Janboree (NSW) | 2 | 444 | 351 |
| 04.01.2020 JanBoree (NSW) | 6 | 290 | 314 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 361.5 | 329.75 | |
| Spread: | 127 | -127 | |