| Tournament | Round | Don Hadley | Chris Ostrowski |
| 23.08.2008 revesby8 (NSW) | 1 | 411 | 385 |
| 04.10.2008 NSW CHAMPIONSHIPS 08 (NSW) | 3 | 334 | 328 |
| 05.10.2009 NSW CHAMPIONSHIPS (NSW) | 9 | 329 | 333 |
| 31.10.2009 Nowra 2009 (NSW) | 12 | 334 | 366 |
| 15.11.2009 Sydney Club (NSW) | 6 | 416 | 331 |
| 10.01.2010 Yearly Nearly Early (NSW) | 3 | 279 | 459 |
| 01.05.2010 SYDNEY WEST 2010 (NSW) | 6 | 554 | 298 |
| 04.07.2010 Winter Challenge (NSW) | 7 | 361 | 359 |
| 04.07.2010 Winter Challenge (NSW) | 13 | 346 | 396 |
| 21.11.2010 Central Coast Championships (NSW) | 12 | 443 | 402 |
| 17.07.2011 Winter Masters (NSW) | 6 | 273 | 329 |
| 22.07.2012 Winter Masters (NSW) | 15 | 451 | 322 |
| 03.10.2016 NSW Championships (NSW) | 18 | 362 | 394 |
| Head-to-head after 13 games | 7 | 6 | |
| Average score | 376.38 | 361.69 | |
| Spread: | 191 | -191 | |