| Date | Tournament | State | Round | Tony Williams | Chris Ostrowski |
|---|---|---|---|---|---|
| 03/01/2009 | Janboree | NSW | 6 | 392 | 328 |
| 04/11/2012 | Nowra | NSW | 5 | 318 | 384 |
| 04/11/2012 | Nowra | NSW | 14 | 431 | 362 |
| 21/07/2013 | Winter Masters | NSW | 11 | 274 | 394 |
| 10/11/2013 | ACT CHAMPIONSHIPS | ACT | 10 | 417 | 329 |
| 08/02/2014 | WORDS FEB | NSW | 1 | 407 | 348 |
| 18/05/2014 | Ulladulla | NSW | 2 | 401 | 350 |
| 26/01/2015 | City of Sydney International Masters | NSW | 5 | 346 | 430 |
| 14/03/2015 | Bomaderry | NSW | 2 | 430 | 507 |
| 06/11/2016 | Nowra 10th Annual | NSW | 7 | 244 | 422 |
| 06/11/2016 | Nowra 10th Annual | NSW | 11 | 381 | 372 |
| 11/03/2017 | Bomaderry | NSW | 7 | 310 | 454 |
| 11/03/2017 | Bomaderry | NSW | 8 | 439 | 428 |
| 21/05/2017 | ULLADULLA | NSW | 3 | 377 | 507 |
| 17/06/2017 | WORDS WINTER | NSW | 3 | 355 | 408 |
| 04/11/2017 | NOWRA | NSW | 1 | 460 | 404 |
| 04/11/2017 | NOWRA | NSW | 11 | 335 | 453 |
| 10/02/2018 | WORDS Summer RR | NSW | 3 | 399 | 435 |
| 16/06/2018 | JUNE WGONG | NSW | 2 | 391 | 430 |
| 28/01/2019 | City Of Sydney International Masters | NSW | 7 | 369 | 374 |
| 15/01/2022 | bundanoon | NSW | 4 | 418 | 355 |
| 03/12/2022 | SUTHERLAND CLUB | NSW | 8 | 404 | 367 |
| 04/04/2026 | AUS CHAMPS | ACT | 5 | 342 | 311 |
| Head-to-head after 23 games | 11 | 12 | |||
| Average score | 375.65 | 397.91 | |||
| Spread | -512 | 512 | |||