| Date | Tournament | State | Round | Mary Morgan | Chris Ostrowski |
|---|---|---|---|---|---|
| 14/02/2009 | wordsfeb09 | NSW | 2 | 313 | 317 |
| 13/02/2010 | Wollongong Round Robins | NSW | 7 | 394 | 405 |
| 29/01/2012 | CITY OF SYDNEY MASTERS | NSW | 4 | 357 | 388 |
| 28/01/2013 | CITY OF SYDNEY MASTERS | NSW | 26 | 377 | 360 |
| Head-to-head after 4 games | 1 | 3 | |||
| Average score | 360.25 | 367.50 | |||
| Spread | -29 | 29 | |||