| Tournament | Round | Heather Sorensen | Chris Ostrowski |
| 04.10.2008 NSW CHAMPIONSHIPS 08 (NSW) | 19 | 299 | 373 |
| 05.07.2009 Winter Challenge (NSW) | 4 | 303 | 459 |
| 05.10.2009 NSW CHAMPIONSHIPS (NSW) | 20 | 405 | 368 |
| 04.07.2010 Winter Challenge (NSW) | 9 | 301 | 354 |
| 12.12.2015 Bundanoon (NSW) | 6 | 325 | 450 |
| Head-to-head after 5 games | 1 | 4 | |
| Average score | 326.6 | 400.8 | |
| Spread: | -371 | 371 | |