| Tournament | Round | Keith Merritt | Doris Marsden |
| 02.05.1999 Maelstrom (QLD) | 6 | 264 | 361 |
| 23.05.1999 Brisbane Open (QLD) | 2 | 281 | 276 |
| 28.11.1999 Southport (QLD) | 1 | 363 | 319 |
| 30.04.2000 Auran Round Robin (QLD) | 4 | 363 | 282 |
| 09.07.2000 Coominya Winter (QLD) | 6 | 301 | 297 |
| 15.10.2000 Mindbenders Standard (QLD) | 6 | 335 | 282 |
| 11.03.2001 Brisbane Open (QLD) | 4 | 352 | 333 |
| 06.10.2001 Mindbenders Open (QLD) | 3 | 303 | 345 |
| 11.11.2001 Redcliffe (QLD) | 2 | 415 | 338 |
| 24.02.2002 Ipswich (QLD) | 3 | 281 | 312 |
| 19.05.2002 Donnybrook (QLD) | 2 | 338 | 355 |
| 14.07.2002 Coominya (QLD) | 6 | 363 | 333 |
| 09.02.2003 Ipswich (QLD) | 2 | 354 | 300 |
| 03.10.2004 Mindbenders Standard (QLD) | 6 | 380 | 272 |
| 23.10.2005 Mindbenders Standard (QLD) | 5 | 308 | 302 |
| Head-to-head after 15 games | 11 | 4 | |
| Average score | 333.4 | 313.8 | |