| Tournament | Round | Barbara Nakkan | Carol Johnston |
| 24.04.2005 Lismore (NSW) | 4 | 246 | 344 |
| 21.05.2006 May-Larkey Coorparoo (QLD) | 6 | 332 | 352 |
| 05.05.2007 Queensland Championships Saturday Round Robin (QLD) | 4 | 324 | 334 |
| 29.12.2007 LAST CHANCE (QLD) | 9 | 261 | 376 |
| 23.02.2008 Early Warm-Up (QLD) | 3 | 409 | 352 |
| 08.03.2008 Redland Bay (QLD) | 7 | 374 | 340 |
| 27.04.2008 ANZAC Tournament (NSW) | 1 | 358 | 362 |
| 07.12.2008 Southport Christmas (QLD) | 4 | 343 | 337 |
| 10.10.2009 Red Hill (QLD) | 9 | 240 | 316 |
| 25.10.2009 Redcliffe Open (QLD) | 5 | 298 | 327 |
| 05.12.2010 Southport Sunday (QLD) | 3 | 299 | 320 |
| 28.08.2011 Qld Championships (QLD) | 8 | 360 | 293 |
| 25.11.2012 Southport (QLD) | 2 | 302 | 327 |
| 26.10.2013 Redcliffe Saturday (QLD) | 3 | 364 | 234 |
| 01.12.2013 Southport Sunday (QLD) | 4 | 322 | 386 |
| Head-to-head after 15 games | 5 | 10 | |
| Average score | 322.13 | 333.33 | |
| Spread: | -168 | 168 | |