| Date | Tournament | State | Round | Arnold Appelhof | Chris Ostrowski |
|---|---|---|---|---|---|
| 31/07/2016 | Winter Masters | NSW | 8 | 393 | 393 |
| 31/07/2016 | Winter Masters | NSW | 11 | 351 | 383 |
| 17/04/2017 | National Championship | WA | 11 | 316 | 407 |
| 17/04/2017 | National Championship | WA | 16 | 337 | 364 |
| 02/04/2018 | 2018 National Championship | ACT | 19 | 342 | 404 |
| 01/10/2018 | NSW Champs | NSW | 12 | 348 | 434 |
| 28/01/2019 | City Of Sydney International Masters | NSW | 13 | 449 | 353 |
| 27/01/2020 | City of Sydney International Masters | NSW | 7 | 320 | 417 |
| 27/01/2020 | City of Sydney International Masters | NSW | 17 | 352 | 433 |
| 03/04/2021 | OZ CHAMPS | NSW | 11 | 315 | 398 |
| 03/04/2021 | OZ CHAMPS | NSW | 15 | 384 | 340 |
| 16/04/2022 | Australian Championship | QLD | 7 | 296 | 359 |
| 16/04/2022 | Australian Championship | QLD | 14 | 370 | 407 |
| 02/07/2022 | NO FRILLS 3 | NSW | 7 | 356 | 370 |
| 03/10/2022 | 2022 NSW CHAMPIONSHIP | NSW | 20 | 372 | 290 |
| 06/11/2022 | Revesby Round Robin | NSW | 1 | 371 | 414 |
| 28/01/2024 | CSIM 2024 | NSW | 9 | 351 | 392 |
| 26/01/2025 | CITY OF SYDNEY MASTERS | NSW | 3 | 357 | 348 |
| 06/10/2025 | NSW CHAMPIONSHIP 2025 | NSW | 20 | 424 | 314 |
| Head-to-head after 19 games | 5.5 | 13.5 | |||
| Average score | 358.11 | 380.00 | |||
| Spread | -416 | 416 | |||