| Tournament | Round | Zia Throssell | Colleen McCormick |
| 06.11.2011 Progressive (WA) | 5 | 357 | 464 |
| 04.06.2012 WA CHAMPS (WA) | 7 | 346 | 331 |
| 04.06.2012 WA CHAMPS (WA) | 10 | 340 | 366 |
| 01.07.2012 BISECTION (WA) | 4 | 400 | 308 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 360.75 | 367.25 | |
| Spread: | -26 | 26 | |