| Date | Tournament | State | Round | Sharon Sorensen | Vicki Underhill |
|---|---|---|---|---|---|
| 07/06/2003 | Woy Woy | NSW | 5 | 429 | 301 |
| 03/06/2006 | Woy Woy | NSW | 7 | 281 | 354 |
| 09/04/2007 | Australian Championships | NSW | 9 | 305 | 413 |
| 09/04/2007 | Australian Championships | NSW | 14 | 450 | 348 |
| Head-to-head after 4 games | 2 | 2 | |||
| Average score | 366.25 | 354.00 | |||
| Spread | 49 | -49 | |||