| Tournament | Round | Barbara Nakkan | Erica Williams |
| 28.10.2006 Mindbenders Saturday (QLD) | 5 | 325 | 380 |
| 27.10.2007 Mindbenders Open (QLD) | 2 | 271 | 393 |
| 28.08.2011 Qld Championships (QLD) | 6 | 288 | 347 |
| Head-to-head after 3 games | 0 | 3 | |
| Average score | 294.66 | 373.33 | |
| Spread: | -236 | 236 | |