| Tournament | Round | Keith Merritt | Barbara Nakkan |
| 28.11.2004 Southport (QLD) | 5 | 262 | 333 |
| 16.07.2006 Newmarket (QLD) | 6 | 296 | 270 |
| 16.07.2006 Newmarket (QLD) | 7 | 335 | 354 |
| 06.05.2007 Queensland Championships Sunday Round Robin (QLD) | 5 | 297 | 306 |
| 06.05.2007 Queensland Championships Sunday Round Robin (QLD) | 7 | 279 | 374 |
| 17.06.2007 Charity Tournament (QLD) | 5 | 287 | 332 |
| 28.10.2007 Mindbenders Tournament (QLD) | 6 | 238 | 346 |
| 17.11.2007 Cleveland (QLD) | 2 | 350 | 369 |
| 02.12.2007 Southport (QLD) | 2 | 281 | 280 |
| Head-to-head after 9 games | 2 | 7 | |
| Average score | 291.66 | 329.33 | |