| Tournament | Round | Mary Bone | Col Coulton |
| 17.05.1998 Southport Winter (QLD) | 3 | 306 | 364 |
| 10.10.1999 Greenbank (QLD) | 1 | 398 | 304 |
| 28.11.1999 Southport (QLD) | 3 | 311 | 329 |
| 22.04.2000 Australian Championships (QLD) | 6 | 306 | 354 |
| 20.08.2000 Queensland Championships (QLD) | 6 | 316 | 337 |
| 05.05.2001 Auran Round Robin (QLD) | 6 | 341 | 299 |
| 26.08.2001 Queensland Championships (QLD) | 4 | 398 | 337 |
| 15.01.2005 Greenbank (QLD) | 4 | 374 | 225 |
| Head-to-head after 8 games | 4 | 4 | |
| Average score | 343.75 | 318.62 | |
| Spread: | 201 | -201 | |