| Tournament | Round | Chris Ostrowski | Maureen Hilder |
| 14.12.2008 WAITARA CHRISTMAS 2008 (NSW) | 3 | 414 | 320 |
| 28.05.2011 REVESBY (NSW) | 3 | 393 | 307 |
| 25.11.2012 CENTRAL COAST C'SHIP 2 DAY (NSW) | 5 | 253 | 540 |
| 01.06.2013 CENTRAL COAST (NSW) | 2 | 411 | 309 |
| 09.04.2017 Lake Macquarie (NSW) | 2 | 389 | 462 |
| 27.10.2019 Empire Bay Oct (NSW) | 2 | 396 | 363 |
| 27.10.2019 Empire Bay Oct (NSW) | 2 | 396 | 363 |
| Head-to-head after 7 games | 5 | 2 | |
| Average score | 378.85 | 380.57 | |