| Date | Tournament | State | Round | Chris Ostrowski | Graeme Lock Lee |
|---|---|---|---|---|---|
| 30/01/2011 | City of Sydney International Masters | NSW | 14 | 220 | 361 |
| 17/07/2011 | Winter Masters | NSW | 4 | 361 | 510 |
| 03/10/2011 | NSW Championships | NSW | 7 | 315 | 416 |
| 03/10/2011 | NSW Championships | NSW | 15 | 287 | 423 |
| 05/05/2012 | Sydney West | NSW | 7 | 427 | 386 |
| 22/07/2012 | Winter Masters | NSW | 8 | 355 | 398 |
| 14/10/2012 | SPRING MARATHON | NSW | 3 | 326 | 360 |
| 04/11/2012 | Nowra | NSW | 10 | 382 | 454 |
| 25/05/2013 | Revesby | NSW | 8 | 424 | 325 |
| 21/07/2013 | Winter Masters | NSW | 18 | 376 | 443 |
| 14/06/2014 | W.O.R.D.S Winter | NSW | 8 | 303 | 554 |
| 02/11/2014 | Nowra | NSW | 7 | 388 | 354 |
| 02/11/2014 | Nowra | NSW | 10 | 326 | 367 |
| 30/11/2014 | Central Coast C'SHIP | NSW | 8 | 366 | 497 |
| 14/03/2015 | Bomaderry | NSW | 6 | 437 | 400 |
| 13/06/2015 | WORDS Winter | NSW | 7 | 317 | 314 |
| 04/06/2016 | Central Coast | NSW | 5 | 334 | 418 |
| 13/08/2016 | Club Burwood Challenge | NSW | 7 | 300 | 479 |
| 06/11/2016 | Nowra 10th Annual | NSW | 2 | 324 | 397 |
| 03/12/2016 | Sutherland Shire | NSW | 3 | 308 | 497 |
| 09/04/2017 | Lake Macquarie | NSW | 6 | 396 | 453 |
| 21/05/2017 | ULLADULLA | NSW | 6 | 305 | 364 |
| 30/07/2017 | Winter Masters | NSW | 8 | 456 | 337 |
| 09/12/2017 | BUNDANOON | NSW | 3 | 360 | 337 |
| 28/01/2018 | City of Sydney International Masters | NSW | 13 | 326 | 386 |
| 24/02/2018 | Bomaderry | NSW | 1 | 377 | 410 |
| 05/05/2018 | Lake Macquarie | NSW | 5 | 457 | 355 |
| 20/05/2018 | Ulladulla | NSW | 11 | 320 | 393 |
| 16/06/2018 | JUNE WGONG | NSW | 6 | 339 | 302 |
| 29/07/2018 | NSW WINTER MASTERS | NSW | 17 | 392 | 437 |
| 01/10/2018 | NSW Champs | NSW | 22 | 378 | 377 |
| 01/12/2018 | Sutherland Shire | NSW | 5 | 373 | 444 |
| 28/01/2019 | City Of Sydney International Masters | NSW | 14 | 360 | 351 |
| 19/05/2019 | ULLADULLA CHAMPIONSHIP | NSW | 7 | 444 | 326 |
| 19/05/2019 | ULLADULLA CHAMPIONSHIP | NSW | 14 | 359 | 522 |
| 15/06/2019 | WORDS WINTER | NSW | 6 | 357 | 329 |
| 21/07/2019 | NSW WINTER MASTERS | NSW | 3 | 502 | 361 |
| 02/02/2020 | Ulladulla Championship | NSW | 8 | 324 | 426 |
| 03/10/2020 | NSW CHAMPS 2020 | NSW | 6 | 336 | 459 |
| 23/01/2021 | CSIM | NSW | 8 | 327 | 415 |
| 15/01/2022 | bundanoon | NSW | 5 | 316 | 469 |
| 03/10/2022 | 2022 NSW CHAMPIONSHIP | NSW | 6 | 371 | 497 |
| 19/02/2023 | Loftus Linguists | NSW | 4 | 397 | 342 |
| 10/06/2023 | Newport Inaugural | NSW | 6 | 302 | 513 |
| 16/07/2023 | 2023 Winter Masters | NSW | 6 | 292 | 577 |
| 30/09/2023 | NSW CHAMPIONSHIP | NSW | 4 | 362 | 359 |
| 07/10/2024 | NSW CHAMPIONSHIP 2024 | NSW | 16 | 321 | 363 |
| 07/10/2024 | NSW CHAMPIONSHIP 2024 | NSW | 22 | 491 | 289 |
| 04/01/2025 | JanBoree | NSW | 4 | 398 | 335 |
| 22/02/2025 | Wollongong Summer | NSW | 1 | 356 | 435 |
| 14/02/2026 | WORDS Feb | NSW | 2 | 371 | 425 |
| 15/03/2026 | MARCH BOMADERRY | NSW | 8 | 321 | 441 |
| 04/04/2026 | AUS CHAMPS | ACT | 2 | 262 | 376 |
| Head-to-head after 53 games | 18 | 35 | |||
| Average score | 357.06 | 406.75 | |||
| Spread | -2634 | 2634 | |||