| Tournament | Round | Chris Ostrowski | Marion Miller |
| 05.07.2009 Winter Challenge (NSW) | 10 | 440 | 321 |
| 24.04.2010 APRIL FUNDRAISER (NSW) | 3 | 392 | 342 |
| 05.06.2010 WOYWOY 2010 (NSW) | 3 | 372 | 411 |
| 19.02.2011 Wollongong Round Robins (NSW) | 4 | 446 | 353 |
| 03.07.2011 Winter Challenge (NSW) | 5 | 398 | 401 |
| 11.09.2011 BAULKHAM HILLS (NSW) | 2 | 280 | 392 |
| 20.04.2013 Spot Surprize (NSW) | 7 | 365 | 459 |
| 24.02.2019 Empire Bay Mini Feb (NSW) | 5 | 284 | 384 |
| 23.05.2021 EmpireBayMay (NSW) | 1 | 333 | 424 |
| 06.05.2023 BURWOOD NO FRILLS (NSW) | 4 | 465 | 331 |
| 01.06.2024 SUTHERLAND (NSW) | 1 | 360 | 312 |
| Head-to-head after 11 games | 5 | 6 | |
| Average score | 375.9 | 375.45 | |