| Date | Tournament | State | Round | Karmel Patterson | Betty Irwin |
|---|---|---|---|---|---|
| 20/02/2007 | Ulladulla Summer Games Tuesday | NSW | 3 | 399 | 339 |
| 21/02/2007 | Ulladulla Summer Games Wednesday | NSW | 3 | 419 | 279 |
| 18/09/2010 | Ulladulla 2010 | NSW | 9 | 338 | 447 |
| 20/05/2012 | Ulladulla | NSW | 8 | 407 | 330 |
| Head-to-head after 4 games | 3 | 1 | |||
| Average score | 390.75 | 348.75 | |||
| Spread | 168 | -168 | |||