| Tournament | Round | David Vanzyl | Colleen McCormick |
| 23.10.2011 Coogee 2011 (WA) | 3 | 401 | 331 |
| 08.12.2013 DEC OPEN (WA) | 7 | 375 | 339 |
| 01.06.2015 WA Champs (WA) | 1 | 533 | 237 |
| 11.12.2016 DEC OPEN (WA) | 1 | 345 | 329 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 413.5 | 309 | |
| Spread: | 418 | -418 | |