| Tournament | Round | Maree Heynen | Chris Ostrowski |
| 09.04.2007 Australian Championships (NSW) | 5 | 343 | 316 |
| 05.05.2007 Sydney's West (NSW) | 2 | 349 | 461 |
| 20.05.2007 Ulladulla 2007 (NSW) | 14 | 359 | 332 |
| 15.07.2007 Winter Challenge (NSW) | 6 | 365 | 313 |
| 24.11.2007 CENTRAL COAST CHAMPS (NSW) | 14 | 274 | 345 |
| 04.10.2008 NSW CHAMPIONSHIPS 08 (NSW) | 18 | 318 | 384 |
| 21.11.2010 Central Coast Championships (NSW) | 1 | 362 | 403 |
| Head-to-head after 7 games | 3 | 4 | |
| Average score | 338.57 | 364.85 | |
| Spread: | -184 | 184 | |