| Tournament | Round | Keri Heart | Chris Ostrowski |
| 05.10.2015 NSW Championships (NSW) | 19 | 349 | 335 |
| 03.10.2016 NSW Championships (NSW) | 8 | 374 | 335 |
| 03.10.2016 NSW Championships (NSW) | 14 | 320 | 385 |
| 03.11.2019 Nowra (NSW) | 10 | 392 | 308 |
| 03.04.2021 OZ CHAMPS (NSW) | 22 | 289 | 443 |
| 16.04.2022 Australian Championship (QLD) | 9 | 342 | 379 |
| 16.04.2022 Australian Championship (QLD) | 15 | 398 | 321 |
| 04.06.2022 BEECROFT SWAN SONG (NSW) | 1 | 406 | 421 |
| 30.09.2023 NSW CHAMPIONSHIP (NSW) | 15 | 359 | 380 |
| 30.09.2023 NSW CHAMPIONSHIP (NSW) | 21 | 403 | 384 |
| 07.10.2024 NSW CHAMPIONSHIP 2024 (NSW) | 10 | 317 | 372 |
| 07.10.2024 NSW CHAMPIONSHIP 2024 (NSW) | 15 | 327 | 482 |
| 29.03.2025 LAKE MACQUARIE AUTUMN (NSW) | 5 | 387 | 402 |
| 06.10.2025 NSW CHAMPIONSHIP 2025 (NSW) | 7 | 328 | 402 |
| 06.10.2025 NSW CHAMPIONSHIP 2025 (NSW) | 17 | 306 | 449 |
| 06.10.2025 NSW CHAMPIONSHIP 2025 (NSW) | 22 | 477 | 317 |
| 15.11.2025 LAKE MACQUARIE (NSW) | 2 | 325 | 491 |
| 10.01.2026 JANBOREE (NSW) | 9 | 331 | 364 |
| Head-to-head after 18 games | 6 | 12 | |
| Average score | 357.22 | 387.22 | |
| Spread: | -540 | 540 | |