| Tournament | Round | Chris Ostrowski | Jeff Chelton |
| 31.08.2008 Oatlands (NSW) | 7 | 356 | 394 |
| 02.11.2008 Nowra Bomaderry 2008 (NSW) | 10 | 308 | 363 |
| 13.06.2009 Wollongong Winter (NSW) | 3 | 333 | 367 |
| 25.04.2011 Aus Championship (ACT) | 12 | 311 | 435 |
| 28.05.2011 REVESBY (NSW) | 8 | 377 | 305 |
| 20.08.2011 Oatlands War of the Words (NSW) | 3 | 375 | 352 |
| 20.04.2013 Spot Surprize (NSW) | 8 | 440 | 340 |
| 27.07.2013 War Of Words (NSW) | 1 | 408 | 377 |
| Head-to-head after 8 games | 4 | 4 | |
| Average score | 363.5 | 366.62 | |
| Spread: | -25 | 25 | |