| Date | Tournament | State | Round | Karen Richards | Chris Ostrowski |
|---|---|---|---|---|---|
| 04/10/2010 | NSW Championships | NSW | 24 | 361 | 391 |
| 21/11/2010 | Central Coast Championships | NSW | 9 | 422 | 370 |
| 17/03/2012 | Matchplay | NSW | 9 | 420 | 352 |
| 28/01/2013 | CITY OF SYDNEY MASTERS | NSW | 4 | 385 | 418 |
| 21/07/2013 | Winter Masters | NSW | 9 | 325 | 455 |
| 21/07/2013 | Winter Masters | NSW | 16 | 518 | 316 |
| 07/10/2013 | NSW Champs | NSW | 14 | 372 | 334 |
| 20/07/2014 | Winter Masters | NSW | 7 | 446 | 428 |
| 06/11/2016 | Nowra 10th Annual | NSW | 5 | 397 | 388 |
| 29/01/2017 | City of Sydney International Masters | NSW | 3 | 366 | 397 |
| 14/04/2018 | Beecroft Marathon | NSW | 5 | 425 | 356 |
| 29/07/2018 | NSW WINTER MASTERS | NSW | 16 | 304 | 461 |
| 01/10/2018 | NSW Champs | NSW | 2 | 422 | 335 |
| 01/10/2018 | NSW Champs | NSW | 16 | 383 | 440 |
| 28/01/2019 | City Of Sydney International Masters | NSW | 9 | 443 | 376 |
| 21/07/2019 | NSW WINTER MASTERS | NSW | 12 | 415 | 297 |
| 27/01/2020 | City of Sydney International Masters | NSW | 12 | 404 | 369 |
| 22/02/2020 | MATCHPLAY QUALIFIER | NSW | 1 | 377 | 363 |
| 15/05/2022 | LANE COVE INAUGURAL | NSW | 5 | 441 | 254 |
| 07/08/2022 | Revesby | NSW | 6 | 395 | 374 |
| 03/10/2022 | 2022 NSW CHAMPIONSHIP | NSW | 5 | 410 | 344 |
| 30/09/2023 | NSW CHAMPIONSHIP | NSW | 5 | 509 | 294 |
| 30/09/2023 | NSW CHAMPIONSHIP | NSW | 16 | 508 | 350 |
| 28/01/2024 | CSIM 2024 | NSW | 14 | 375 | 381 |
| 25/08/2024 | Australian Junior Champs | NSW | 4 | 294 | 345 |
| 25/08/2024 | Australian Junior Champs | NSW | 7 | 381 | 415 |
| 07/10/2024 | NSW CHAMPIONSHIP 2024 | NSW | 18 | 460 | 366 |
| 18/10/2025 | SPRING MARATHON | NSW | 6 | 370 | 388 |
| 02/11/2025 | EPPING COMPETITION 2 | NSW | 6 | 337 | 282 |
| Head-to-head after 29 games | 19 | 10 | |||
| Average score | 402.24 | 366.86 | |||
| Spread | 1026 | -1026 | |||