| Tournament | Round | Barbara Nakkan | Bernice Jonathan |
| 21.05.2006 May-Larkey Coorparoo (QLD) | 7 | 295 | 338 |
| 05.05.2007 Queensland Championships Saturday Round Robin (QLD) | 2 | 276 | 403 |
| 27.10.2007 Mindbenders Open (QLD) | 3 | 305 | 355 |
| 25.10.2008 Mindbenders Saturday (QLD) | 2 | 331 | 384 |
| 10.10.2009 Red Hill (QLD) | 8 | 298 | 343 |
| Head-to-head after 5 games | 0 | 5 | |
| Average score | 301 | 364.6 | |
| Spread: | -318 | 318 | |