| Tournament | Round | Chris Ostrowski | William Shakespeare |
| 17.07.2010 Winter Masters (NSW) | 17 | 380 | 335 |
| 04.10.2010 NSW Championships (NSW) | 8 | 339 | 343 |
| 30.01.2011 City of Sydney International Masters (NSW) | 17 | 343 | 378 |
| 27.02.2011 Matchplay Qualifier (NSW) | 8 | 358 | 387 |
| 18.06.2011 Wollongong WORDS Winter (NSW) | 6 | 367 | 451 |
| 29.01.2012 CITY OF SYDNEY MASTERS (NSW) | 7 | 321 | 355 |
| 22.07.2012 Winter Masters (NSW) | 13 | 334 | 357 |
| 15.06.2013 WORDS June (NSW) | 7 | 374 | 393 |
| 22.02.2014 Matchplay Qualifier (NSW) | 5 | 340 | 405 |
| 04.11.2017 NOWRA (NSW) | 2 | 321 | 395 |
| 04.11.2017 NOWRA (NSW) | 14 | 406 | 372 |
| Head-to-head after 11 games | 2 | 9 | |
| Average score | 353 | 379.18 | |
| Spread: | -288 | 288 | |