| Date | Tournament | State | Round | Colleen Birch | Chris Ostrowski |
|---|---|---|---|---|---|
| 14/12/2008 | WAITARA CHRISTMAS 2008 | NSW | 5 | 404 | 302 |
| 06/09/2009 | hillsopen | NSW | 7 | 421 | 306 |
| 31/07/2016 | Winter Masters | NSW | 15 | 336 | 390 |
| 16/10/2016 | Spring Marathon | NSW | 3 | 412 | 284 |
| 07/01/2017 | Janboree | NSW | 2 | 376 | 377 |
| 11/03/2017 | Bomaderry | NSW | 6 | 368 | 341 |
| 09/04/2017 | Lake Macquarie | NSW | 4 | 333 | 430 |
| 17/06/2017 | WORDS WINTER | NSW | 5 | 371 | 456 |
| 26/11/2017 | Central Coast Champ | NSW | 8 | 425 | 405 |
| 17/03/2018 | Newtown Club | NSW | 3 | 416 | 388 |
| 05/05/2018 | Lake Macquarie | NSW | 3 | 312 | 426 |
| 02/06/2018 | Central Coast | NSW | 6 | 421 | 371 |
| 01/10/2018 | NSW Champs | NSW | 7 | 312 | 350 |
| 09/02/2019 | WORDS SUMMER RR | NSW | 1 | 430 | 404 |
| 23/02/2019 | MatchPlay Qualifier | NSW | 7 | 402 | 371 |
| 24/02/2019 | Empire Bay Mini Feb | NSW | 7 | 409 | 360 |
| 04/01/2020 | JanBoree | NSW | 3 | 340 | 393 |
| 01/03/2020 | Empire Bay Mini (1) | NSW | 5 | 306 | 383 |
| 12/12/2020 | BUNDANOON | NSW | 3 | 279 | 440 |
| 23/05/2021 | EmpireBayMay | NSW | 3 | 520 | 284 |
| 05/06/2021 | BEECROFT MARATHON | NSW | 1 | 283 | 428 |
| 06/11/2021 | LAKE MACQUARIE | NSW | 2 | 351 | 354 |
| 08/01/2022 | JANBOREE | NSW | 9 | 361 | 364 |
| 20/03/2022 | Empire Bay | NSW | 6 | 399 | 339 |
| 02/07/2022 | NO FRILLS 3 | NSW | 3 | 329 | 376 |
| 16/07/2022 | Wollongong Winter Tournament | NSW | 1 | 434 | 364 |
| 07/08/2022 | Revesby | NSW | 3 | 370 | 379 |
| 26/11/2022 | LAKE MACQUARIE SPRING | NSW | 5 | 319 | 393 |
| 03/12/2022 | SUTHERLAND CLUB | NSW | 6 | 487 | 346 |
| 07/01/2023 | JANBOREE | NSW | 9 | 325 | 410 |
| 04/03/2023 | LAKE MACQUARIE AUTUMN | NSW | 7 | 365 | 426 |
| 14/10/2023 | NSW SPRING MARATHON | NSW | 6 | 377 | 459 |
| 01/06/2024 | SUTHERLAND | NSW | 5 | 406 | 337 |
| 07/10/2024 | NSW CHAMPIONSHIP 2024 | NSW | 19 | 346 | 440 |
| 08/12/2024 | Central Coast Summer | NSW | 7 | 405 | 367 |
| 04/01/2025 | JanBoree | NSW | 7 | 322 | 398 |
| 01/03/2025 | MATCHPLAY QUALIFIER | NSW | 8 | 304 | 398 |
| 16/03/2025 | Bomaderry | NSW | 3 | 387 | 286 |
| 02/11/2025 | EPPING COMPETITION 2 | NSW | 2 | 327 | 411 |
| 06/12/2025 | SUTHERLAND SHIRE | NSW | 7 | 466 | 377 |
| Head-to-head after 40 games | 18 | 22 | |||
| Average score | 373.90 | 377.82 | |||
| Spread | -157 | 157 | |||