| Tournament | Round | Chris Ostrowski | Mark Smith |
| 17.07.2010 Winter Masters (NSW) | 1 | 353 | 380 |
| 21.11.2010 Central Coast Championships (NSW) | 2 | 335 | 361 |
| 30.01.2011 City of Sydney International Masters (NSW) | 6 | 330 | 369 |
| 25.04.2011 Aus Championship (ACT) | 21 | 288 | 413 |
| 27.05.2012 Revesby (NSW) | 6 | 270 | 532 |
| 18.11.2012 ROOM TO READ CHARITY (NSW) | 8 | 418 | 270 |
| 07.10.2013 NSW Champs (NSW) | 6 | 348 | 431 |
| 01.07.2018 Scroker 8 (NSW) | 7 | 369 | 446 |
| 12.08.2018 WYSC Fundraiser (NSW) | 2 | 453 | 291 |
| Head-to-head after 9 games | 2 | 7 | |
| Average score | 351.55 | 388.11 | |
| Spread: | -329 | 329 | |