| Date | Tournament | State | Round | Betty Hardy | Chlorise O'Sullivan |
|---|---|---|---|---|---|
| 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 | |||