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