| Date | Tournament | State | Round | Chris Ostrowski | Margaret Clifford |
|---|---|---|---|---|---|
| 24/11/2007 | CENTRAL COAST CHAMPS | NSW | 9 | 402 | 453 |
| 15/03/2008 | Wyong | NSW | 7 | 298 | 344 |
| 29/11/2015 | Central Coast Championships | NSW | 5 | 356 | 471 |
| 26/11/2017 | Central Coast Champ | NSW | 7 | 380 | 320 |
| 26/11/2017 | Central Coast Champ | NSW | 12 | 321 | 401 |
| 26/11/2023 | Central Coast Open | NSW | 1 | 372 | 306 |
| Head-to-head after 6 games | 2 | 4 | |||
| Average score | 354.83 | 382.50 | |||
| Spread | -166 | 166 | |||