| Tournament | 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 | 367.5 | |