| Tournament | Round | Vicki Underhill | Betty Hardy |
| 21.03.2004 Wyong (NSW) | 4 | 253 | 428 |
| 18.03.2006 Wyong (NSW) | 3 | 317 | 312 |
| 02.03.2008 Balmain BUGS (NSW) | 3 | 439 | 385 |
| 23.11.2008 CENTRAL COAST CHAMPIONSHIP 08 (NSW) | 1 | 331 | 293 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 335 | 354.5 | |
| Spread: | -78 | 78 | |