| Tournament | Round | Karmel Patterson | Chris Ostrowski |
| 24.11.2007 CENTRAL COAST CHAMPS (NSW) | 13 | 354 | 401 |
| 04.07.2010 Winter Challenge (NSW) | 1 | 323 | 357 |
| 27.11.2016 Central Coast Champs (NSW) | 10 | 350 | 343 |
| Head-to-head after 3 games | 1 | 2 | |
| Average score | 342.33 | 367 | |
| Spread: | -74 | 74 | |