| Tournament | Round | Chris Ostrowski | Kerry Constable |
| 04.11.2012 Nowra (NSW) | 11 | 384 | 366 |
| 23.03.2013 Bomaderry (NSW) | 8 | 362 | 333 |
| 08.03.2014 Bomaderry (NSW) | 5 | 347 | 363 |
| 18.05.2014 Ulladulla (NSW) | 12 | 372 | 372 |
| 02.11.2014 Nowra (NSW) | 1 | 296 | 392 |
| 14.03.2015 Bomaderry (NSW) | 7 | 410 | 347 |
| 13.06.2015 WORDS Winter (NSW) | 2 | 357 | 366 |
| 12.03.2016 BOMADERRY (NSW) | 3 | 405 | 351 |
| 11.02.2017 WORDS Feb (NSW) | 2 | 318 | 422 |
| 21.05.2017 ULLADULLA (NSW) | 5 | 323 | 377 |
| 24.02.2018 Bomaderry (NSW) | 4 | 319 | 372 |
| 09.02.2019 WORDS SUMMER RR (NSW) | 6 | 390 | 329 |
| 19.05.2019 ULLADULLA CHAMPIONSHIP (NSW) | 10 | 312 | 344 |
| 08.02.2020 WORDS SUMMER (NSW) | 2 | 387 | 341 |
| 16.07.2022 Wollongong Winter Tournament (NSW) | 7 | 396 | 421 |
| 11.02.2023 WORDS 2023 (NSW) | 7 | 375 | 403 |
| 26.03.2023 Bomaderry (NSW) | 2 | 467 | 318 |
| 18.02.2024 Wgong Round Robins (NSW) | 5 | 350 | 451 |
| 22.02.2025 Wollongong Summer (NSW) | 4 | 453 | 323 |
| 16.03.2025 Bomaderry (NSW) | 7 | 394 | 303 |
| 15.03.2026 MARCH BOMADERRY (NSW) | 5 | 459 | 363 |
| Head-to-head after 21 games | 10.5 | 10.5 | |
| Average score | 375.04 | 364.61 | |