| Tournament | Round | Krystyna Batten | Chris Ostrowski |
| 01.09.2007 Oatlands (NSW) | 5 | 380 | 411 |
| 02.03.2008 Balmain BUGS (NSW) | 1 | 308 | 415 |
| 06.07.2008 Winter Challenge (NSW) | 14 | 392 | 395 |
| 03.01.2009 Janboree (NSW) | 4 | 278 | 367 |
| 01.03.2009 Balmain BUGS (NSW) | 1 | 342 | 345 |
| 05.07.2009 Winter Challenge (NSW) | 6 | 325 | 419 |
| 20.04.2013 Spot Surprize (NSW) | 1 | 311 | 488 |
| 18.08.2013 Baulkham Hills Open (NSW) | 4 | 284 | 417 |
| 14.12.2013 Spot Prize December (NSW) | 6 | 312 | 316 |
| 18.10.2015 Spring Marathon (NSW) | 7 | 277 | 346 |
| 16.10.2016 Spring Marathon (NSW) | 1 | 240 | 292 |
| 16.10.2016 Spring Marathon (NSW) | 6 | 361 | 396 |
| 26.01.2018 Australia Day Open (NSW) | 1 | 327 | 486 |
| 17.03.2018 Newtown Club (NSW) | 7 | 362 | 369 |
| 26.01.2019 AUSTRALIA DAY OPEN (NSW) | 1 | 360 | 337 |
| 29.08.2020 HOME CHALLENGE FINAL (NSW) | 1 | 296 | 396 |
| 23.01.2021 CSIM (NSW) | 3 | 285 | 555 |
| 23.01.2021 CSIM (NSW) | 17 | 415 | 360 |
| 22.07.2023 WYC Fundraiser July (NSW) | 7 | 278 | 426 |
| 19.10.2024 Spring Marathon (NSW) | 5 | 251 | 415 |
| 18.10.2025 SPRING MARATHON (NSW) | 5 | 321 | 408 |
| Head-to-head after 21 games | 2 | 19 | |
| Average score | 319.28 | 398.04 | |
| Spread: | -1654 | 1654 | |