| Tournament | Round | John Finlay | Bettina Tonkin |
| 09.03.2008 Bunbury (WA) | 6 | 325 | 391 |
| 18.05.2008 Melville (WA) | 3 | 329 | 427 |
| 31.05.2009 WA CHAMPIONSHIP (WA) | 4 | 307 | 385 |
| 31.05.2009 WA CHAMPIONSHIP (WA) | 15 | 306 | 416 |
| 19.07.2009 Bassendean 2009 (WA) | 5 | 381 | 371 |
| 07.06.2010 WA CHAMPIONSHIP 2010 (WA) | 12 | 333 | 379 |
| 03.04.2011 APRIL MAXIMIN (WA) | 2 | 274 | 434 |
| 05.06.2017 WA Championship (WA) | 12 | 382 | 319 |
| 20.05.2018 Melville (WA) | 5 | 409 | 347 |
| 05.06.2022 WA State 2022 (WA) | 7 | 312 | 375 |
| 05.06.2022 WA State 2022 (WA) | 10 | 288 | 292 |
| Head-to-head after 11 games | 3 | 8 | |
| Average score | 331.45 | 376 | |
| Spread: | -490 | 490 | |