| Tournament | Round | Chris Ostrowski | Shirley Crocker |
| 14.01.2007 Baulkham Hills Kick-Off (NSW) | 3 | 382 | 329 |
| 24.11.2007 CENTRAL COAST CHAMPS (NSW) | 3 | 406 | 248 |
| 04.07.2010 Winter Challenge (NSW) | 2 | 344 | 262 |
| 24.11.2013 CC C'SHIP 2 DAY (NSW) | 9 | 389 | 298 |
| 24.11.2013 CC C'SHIP 2 DAY (NSW) | 14 | 411 | 273 |
| 20.03.2022 Empire Bay (NSW) | 2 | 417 | 293 |
| Head-to-head after 6 games | 6 | 0 | |
| Average score | 391.5 | 283.83 | |
| Spread: | 646 | -646 | |