| Date | Tournament | State | Round | Vicki Underhill | Natalie Tadday |
|---|---|---|---|---|---|
| 02/10/2006 | New South Wales Championships | NSW | 4 | 365 | 292 |
| 09/04/2007 | Australian Championships | NSW | 8 | 384 | 325 |
| 09/04/2007 | Australian Championships | NSW | 24 | 327 | 396 |
| 05/07/2009 | Winter Challenge | NSW | 8 | 318 | 409 |
| Head-to-head after 4 games | 2 | 2 | |||
| Average score | 348.50 | 355.50 | |||
| Spread | -28 | 28 | |||