| Tournament | Round | Betty Irwin | Rhona Kenyon |
| 15.03.2009 Bomaderry March 2009 (NSW) | 4 | 326 | 309 |
| 16.05.2009 Ulladulla (NSW) | 7 | 400 | 362 |
| 31.10.2009 Nowra 2009 (NSW) | 12 | 373 | 299 |
| 18.09.2010 Ulladulla 2010 (NSW) | 5 | 360 | 333 |
| 06.11.2010 Nowra (NSW) | 1 | 325 | 364 |
| 20.05.2012 Ulladulla (NSW) | 5 | 304 | 384 |
| Head-to-head after 6 games | 4 | 2 | |
| Average score | 348 | 341.83 | |
| Spread: | 37 | -37 | |