| Tournament | Round | Bettina Tonkin | Tim Mason |
| 05.03.2012 BINDOON 2012 (WA) | 6 | 366 | 331 |
| 05.03.2012 BINDOON 2012 (WA) | 11 | 462 | 334 |
| 20.05.2012 May 2012 Melville (WA) | 1 | 393 | 323 |
| 01.07.2012 BISECTION (WA) | 5 | 370 | 403 |
| 16.09.2012 BASSENDEAN (WA) | 2 | 368 | 418 |
| 10.02.2013 Fremantle (WA) | 4 | 463 | 371 |
| 05.07.2015 AGM Bisection (WA) | 6 | 338 | 412 |
| Head-to-head after 7 games | 4 | 3 | |
| Average score | 394.28 | 370.28 | |
| Spread: | 168 | -168 | |