| Tournament | Round | Col Coulton | Netta Dowe |
| 22.03.1998 Redcliffe (QLD) | 1 | 360 | 377 |
| 02.08.1998 Kooralbyn (QLD) | 1 | 369 | 339 |
| 22.04.2000 Australian Championships (QLD) | 1 | 285 | 464 |
| 27.08.2006 Queensland Championships (QLD) | 6 | 268 | 380 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 320.5 | 390 | |
| Spread: | -278 | 278 | |