| Tournament | Round | Vicki Underhill | Don Hadley |
| 05.02.2006 Kempsey Challenge (NSW) | 4 | 403 | 285 |
| 18.03.2006 Wyong (NSW) | 7 | 331 | 354 |
| 03.06.2006 Woy Woy (NSW) | 3 | 441 | 289 |
| 27.08.2006 Queensland Championships (QLD) | 12 | 387 | 332 |
| 04.02.2007 Kempsey Challenge (NSW) | 7 | 349 | 331 |
| 17.03.2007 Wyong (NSW) | 7 | 375 | 381 |
| 22.04.2007 Lismore Anzac (NSW) | 2 | 370 | 361 |
| 15.07.2007 Winter Challenge (NSW) | 5 | 309 | 368 |
| 22.07.2007 Winter Masters (NSW) | 9 | 369 | 429 |
| 22.07.2007 Winter Masters (NSW) | 15 | 284 | 355 |
| 24.11.2007 CENTRAL COAST CHAMPS (NSW) | 8 | 372 | 386 |
| 23.11.2008 CENTRAL COAST CHAMPIONSHIP 08 (NSW) | 10 | 392 | 386 |
| 01.02.2009 Kempsey (NSW) | 4 | 409 | 340 |
| 01.02.2009 Kempsey (NSW) | 11 | 359 | 467 |
| 30.05.2009 Woy Woy (NSW) | 4 | 453 | 357 |
| Head-to-head after 15 games | 8 | 7 | |
| Average score | 373.53 | 361.4 | |
| Spread: | 182 | -182 | |