| Date | Tournament | State | Round | Maureen Hilder | Chris Ostrowski |
|---|---|---|---|---|---|
| 14/12/2008 | WAITARA CHRISTMAS 2008 | NSW | 3 | 320 | 414 |
| 28/05/2011 | REVESBY | NSW | 3 | 307 | 393 |
| 25/11/2012 | CENTRAL COAST C'SHIP 2 DAY | NSW | 5 | 540 | 253 |
| 01/06/2013 | CENTRAL COAST | NSW | 2 | 309 | 411 |
| 09/04/2017 | Lake Macquarie | NSW | 2 | 462 | 389 |
| 27/10/2019 | Empire Bay Oct | NSW | 2 | 363 | 396 |
| 27/10/2019 | Empire Bay Oct | NSW | 2 | 363 | 396 |
| Head-to-head after 7 games | 2 | 5 | |||
| Average score | 380.57 | 378.86 | |||
| Spread | 12 | -12 | |||