| Tournament | Round | Col Coulton | Jan Robertson |
| 17.05.1998 Southport Winter (QLD) | 2 | 320 | 340 |
| 10.09.2000 Toowoomba (QLD) | 5 | 287 | 392 |
| 13.01.2002 Greenbank (QLD) | 4 | 317 | 344 |
| 14.04.2002 Brisbane (QLD) | 5 | 334 | 433 |
| Head-to-head after 4 games | 0 | 4 | |
| Average score | 314.5 | 377.25 | |
| Spread: | -251 | 251 | |