| Tournament | Round | Rob York | Sharon Sorensen |
| 13.03.2011 SA Championship (SA) | 3 | 380 | 388 |
| 30.06.2012 Winter Open (ACT) | 6 | 393 | 425 |
| 28.04.2013 Wagga Wagga - Tristate (NSW) | 9 | 356 | 437 |
| 03.05.2015 TRI-STATE CHALLENGE (NSW) | 5 | 281 | 429 |
| 14.05.2017 Tri-State (ACT) | 3 | 404 | 455 |
| Head-to-head after 5 games | 0 | 5 | |
| Average score | 362.8 | 426.8 | |
| Spread: | -320 | 320 | |