| Tournament | Round | Carol Johnston | Keith Merritt |
| 15.02.2004 Ipswich (QLD) | 5 | 264 | 335 |
| 22.08.2004 Queensland Championships (QLD) | 5 | 291 | 284 |
| 03.10.2004 Mindbenders Standard (QLD) | 1 | 341 | 341 |
| 11.09.2005 Toowoomba (QLD) | 7 | 306 | 248 |
| 23.10.2005 Mindbenders Standard (QLD) | 4 | 306 | 297 |
| 15.01.2006 Greenbank (QLD) | 4 | 329 | 265 |
| 09.04.2006 Coorparoo Warmup Marathon (QLD) | 7 | 324 | 228 |
| 08.10.2006 Coorparoo Fundraising (QLD) | 1 | 283 | 327 |
| 07.10.2007 Nanango (QLD) | 1 | 416 | 375 |
| 04.05.2008 Queensland Championships (QLD) | 14 | 316 | 246 |
| Head-to-head after 10 games | 7.5 | 2.5 | |
| Average score | 317.6 | 294.6 | |
| Spread: | 230 | -230 | |