| Date | Tournament | State | 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 | 319.29 | 398.05 | |||
| Spread | -1654 | 1654 | |||