| Tournament | Round | Jan Robertson | Erica Williams |
| 13.06.2004 Millmerran (QLD) | 2 | 314 | 496 |
| 13.02.2005 Ipswich (QLD) | 1 | 342 | 376 |
| 10.06.2007 Toowoomba (QLD) | 7 | 316 | 400 |
| 10.06.2007 Toowoomba (QLD) | 14 | 354 | 357 |
| 10.02.2008 Ipswich (QLD) | 3 | 354 | 409 |
| Head-to-head after 5 games | 0 | 5 | |
| Average score | 336 | 407.6 | |
| Spread: | -358 | 358 | |