| Tournament | Round | Keith Merritt | Muriel Coulton |
| 12.07.1998 Coominya (QLD) | 5 | 261 | 330 |
| 13.09.1998 Toowoomba (QLD) | 3 | 309 | 296 |
| 21.03.1999 Redcliffe (QLD) | 6 | 319 | 321 |
| 23.05.1999 Brisbane Open (QLD) | 7 | 270 | 314 |
| 09.02.2003 Ipswich (QLD) | 3 | 336 | 331 |
| 13.02.2005 Ipswich (QLD) | 1 | 371 | 266 |
| 12.03.2005 Redland Bay (QLD) | 2 | 369 | 247 |
| Head-to-head after 7 games | 4 | 3 | |
| Average score | 319.28 | 300.71 | |