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