| Date | Tournament | State | Round | Diana Hilly | Betty Irwin |
|---|---|---|---|---|---|
| 23/02/2002 | Wollongong | NSW | 5 | 370 | 333 |
| 22/02/2003 | Wollongong | NSW | 7 | 379 | 301 |
| 19/02/2005 | Wollongong | NSW | 2 | 330 | 424 |
| 16/05/2009 | Ulladulla | NSW | 9 | 389 | 321 |
| 18/09/2010 | Ulladulla 2010 | NSW | 6 | 360 | 379 |
| 18/09/2010 | Ulladulla 2010 | NSW | 14 | 331 | 344 |
| 15/05/2011 | Ulladulla | NSW | 8 | 371 | 426 |
| Head-to-head after 7 games | 3 | 4 | |||
| Average score | 361.43 | 361.14 | |||
| Spread | 2 | -2 | |||