| Tournament | Round | Col Coulton | Brenda Osler |
| 04.05.2002 Big Weekend Round Robin (QLD) | 1 | 378 | 326 |
| 04.08.2002 Newmarket (QLD) | 5 | 350 | 316 |
| 12.03.2005 Redland Bay (QLD) | 5 | 294 | 334 |
| 17.04.2006 Australian Championships (QLD) | 2 | 379 | 343 |
| 21.05.2006 May-Larkey Coorparoo (QLD) | 7 | 328 | 314 |
| Head-to-head after 5 games | 4 | 1 | |
| Average score | 345.8 | 326.6 | |
| Spread: | 96 | -96 | |