| Date | Tournament | State | Round | Chris Ostrowski | Hanne Marks |
|---|---|---|---|---|---|
| 04/10/2008 | NSW CHAMPIONSHIPS 08 | NSW | 16 | 301 | 361 |
| 05/10/2009 | NSW CHAMPIONSHIPS | NSW | 14 | 392 | 408 |
| 31/10/2009 | Nowra 2009 | NSW | 9 | 271 | 367 |
| 10/01/2010 | Yearly Nearly Early | NSW | 2 | 370 | 350 |
| 23/01/2010 | CITY OF SYDNEY | NSW | 2 | 402 | 406 |
| 17/07/2010 | Winter Masters | NSW | 9 | 329 | 380 |
| 17/07/2010 | Winter Masters | NSW | 11 | 376 | 390 |
| 04/10/2010 | NSW Championships | NSW | 4 | 271 | 342 |
| 19/02/2011 | Wollongong Round Robins | NSW | 7 | 313 | 341 |
| 17/07/2011 | Winter Masters | NSW | 9 | 337 | 480 |
| 17/07/2011 | Winter Masters | NSW | 19 | 266 | 386 |
| 28/08/2011 | WSC Rep Fundraiser | NSW | 8 | 341 | 436 |
| 17/03/2012 | Matchplay | NSW | 7 | 382 | 371 |
| 27/05/2012 | Revesby | NSW | 3 | 389 | 382 |
| 02/06/2012 | WOY WOY | NSW | 3 | 415 | 283 |
| 22/07/2012 | Winter Masters | NSW | 10 | 418 | 296 |
| 22/07/2012 | Winter Masters | NSW | 14 | 393 | 436 |
| 14/10/2012 | SPRING MARATHON | NSW | 11 | 399 | 358 |
| 05/01/2013 | Janboree | NSW | 2 | 377 | 369 |
| 23/03/2013 | Bomaderry | NSW | 4 | 407 | 349 |
| 15/06/2013 | WORDS June | NSW | 4 | 342 | 441 |
| 26/10/2013 | Room to Read | NSW | 2 | 339 | 414 |
| 10/11/2013 | ACT CHAMPIONSHIPS | ACT | 15 | 380 | 488 |
| 27/01/2014 | City of Sydney International Masters | NSW | 10 | 327 | 420 |
| 08/02/2014 | WORDS FEB | NSW | 3 | 404 | 365 |
| 22/02/2014 | Matchplay Qualifier | NSW | 7 | 395 | 374 |
| 20/07/2014 | Winter Masters | NSW | 8 | 294 | 374 |
| 20/07/2014 | Winter Masters | NSW | 15 | 385 | 426 |
| 06/10/2014 | NSW Championships | NSW | 15 | 359 | 331 |
| 13/12/2014 | Bundanoon | NSW | 3 | 346 | 385 |
| 03/01/2015 | JanBoree | NSW | 9 | 393 | 325 |
| 26/01/2015 | City of Sydney International Masters | NSW | 9 | 372 | 339 |
| 26/01/2015 | City of Sydney International Masters | NSW | 16 | 319 | 435 |
| 30/05/2015 | Central Coast | NSW | 5 | 319 | 327 |
| 13/02/2016 | Wollongong Summer | NSW | 9 | 416 | 321 |
| 17/09/2017 | REVESBY | NSW | 4 | 396 | 340 |
| 02/12/2017 | Sutherland | NSW | 1 | 345 | 307 |
| 17/03/2018 | Newtown Club | NSW | 2 | 366 | 341 |
| 25/11/2018 | Central Coast Championship | NSW | 8 | 359 | 386 |
| 28/01/2019 | City Of Sydney International Masters | NSW | 3 | 387 | 446 |
| 28/01/2019 | City Of Sydney International Masters | NSW | 18 | 245 | 449 |
| 27/10/2019 | Empire Bay Oct | NSW | 4 | 389 | 326 |
| 27/10/2019 | Empire Bay Oct | NSW | 4 | 389 | 326 |
| 03/04/2021 | OZ CHAMPS | NSW | 10 | 317 | 409 |
| 03/04/2021 | OZ CHAMPS | NSW | 17 | 403 | 372 |
| Head-to-head after 45 games | 20 | 25 | |||
| Average score | 358.56 | 376.84 | |||
| Spread | -823 | 823 | |||