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