| Tournament | Round | Keith Merritt | Noeline Thoma |
| 22.03.1998 Redcliffe (QLD) | 1 | 288 | 378 |
| 30.04.2000 Auran Round Robin (QLD) | 1 | 303 | 368 |
| 09.07.2000 Coominya Winter (QLD) | 3 | 318 | 380 |
| 20.08.2000 Queensland Championships (QLD) | 2 | 383 | 381 |
| 06.05.2001 Auran Open (QLD) | 1 | 335 | 376 |
| 14.10.2007 Fundraiser at Coorparoo (QLD) | 1 | 366 | 317 |
| Head-to-head after 6 games | 2 | 4 | |
| Average score | 332.16 | 366.66 | |
| Spread: | -207 | 207 | |