| Tournament | Round | Colleen Walker | Vicki Underhill |
| 21.03.2004 Wyong (NSW) | 1 | 376 | 300 |
| 23.07.2006 Winter Challenge (NSW) | 11 | 391 | 370 |
| 04.02.2007 Kempsey Challenge (NSW) | 2 | 305 | 395 |
| 17.03.2007 Wyong (NSW) | 6 | 359 | 453 |
| 03.02.2008 Kempsey Challenge & Cup (NSW) | 5 | 287 | 444 |
| 24.03.2008 Australian Championship (VIC) | 5 | 305 | 490 |
| 23.11.2008 CENTRAL COAST CHAMPIONSHIP 08 (NSW) | 7 | 358 | 337 |
| Head-to-head after 7 games | 3 | 4 | |
| Average score | 340.14 | 398.42 | |
| Spread: | -408 | 408 | |