| Tournament | Round | Betty Hardy | Chlorise O |
| 17.04.1999 Central Coast - Wyong (NSW) | 1 | 455 | 364 |
| 18.03.2006 Wyong (NSW) | 1 | 265 | 387 |
| 15.03.2008 Wyong (NSW) | 3 | 384 | 339 |
| 30.05.2009 Woy Woy (NSW) | 5 | 375 | 301 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 369.75 | 347.75 | |
| Spread: | 88 | -88 | |