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