| Date | Tournament | State | Round | Erica Williams | Vicki Underhill |
|---|---|---|---|---|---|
| 21/08/2005 | Queensland Championships | QLD | 12 | 430 | 346 |
| 17/04/2006 | Australian Championships | QLD | 11 | 459 | 361 |
| 17/04/2006 | Australian Championships | QLD | 15 | 378 | 375 |
| 23/02/2008 | Early Warm-Up | QLD | 3 | 318 | 421 |
| 26/07/2009 | Ocean Shores | NSW | 4 | 351 | 432 |
| Head-to-head after 5 games | 3 | 2 | |||
| Average score | 387.20 | 387.00 | |||
| Spread | 1 | -1 | |||