| Tournament | Round | Chris Ostrowski | Mary Morgan |
| 14.02.2009 wordsfeb09 (NSW) | 2 | 317 | 313 |
| 13.02.2010 Wollongong Round Robins (NSW) | 7 | 405 | 394 |
| 29.01.2012 CITY OF SYDNEY MASTERS (NSW) | 4 | 388 | 357 |
| 28.01.2013 CITY OF SYDNEY MASTERS (NSW) | 26 | 360 | 377 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 367.5 | 360.25 | |
| Spread: | 29 | -29 | |