| Tournament | Round | Chris Ostrowski | Esther Perrins |
| 17.03.2012 Matchplay (NSW) | 2 | 306 | 450 |
| 22.07.2012 Winter Masters (NSW) | 6 | 330 | 492 |
| 07.10.2013 NSW Champs (NSW) | 3 | 321 | 543 |
| 07.10.2013 NSW Champs (NSW) | 15 | 365 | 376 |
| 06.10.2014 NSW Championships (NSW) | 4 | 422 | 414 |
| 07.02.2015 Matchplay qualifier (NSW) | 3 | 284 | 499 |
| 23.05.2015 Fundraiser (NSW) | 1 | 335 | 365 |
| 26.07.2015 Winter Masters (NSW) | 1 | 382 | 385 |
| 03.10.2016 NSW Championships (NSW) | 20 | 360 | 389 |
| 29.01.2017 City of Sydney International Masters (NSW) | 2 | 333 | 416 |
| 02.10.2017 NSW CHAMPS (NSW) | 9 | 314 | 458 |
| 28.01.2018 City of Sydney International Masters (NSW) | 1 | 393 | 384 |
| 03.10.2020 NSW CHAMPS 2020 (NSW) | 8 | 377 | 419 |
| 23.01.2021 CSIM (NSW) | 1 | 354 | 428 |
| 30.01.2022 City of Sydney Masters (NSW) | 1 | 244 | 460 |
| 26.02.2023 MATCHPLAY QUALIFIER 23 (NSW) | 8 | 278 | 454 |
| 16.07.2023 2023 Winter Masters (NSW) | 2 | 367 | 436 |
| Head-to-head after 17 games | 2 | 15 | |
| Average score | 339.11 | 433.41 | |