| Tournament | Round | Beryl Pearson | Betty Irwin |
| 15.05.2003 Ulladulla (NSW) | 5 | 344 | 423 |
| 11.02.2006 Wollongong (NSW) | 4 | 372 | 320 |
| 02.11.2008 Nowra Bomaderry 2008 (NSW) | 6 | 368 | 370 |
| 02.11.2008 Nowra Bomaderry 2008 (NSW) | 13 | 333 | 332 |
| 15.03.2009 Bomaderry March 2009 (NSW) | 3 | 292 | 390 |
| 16.05.2009 Ulladulla (NSW) | 4 | 349 | 284 |
| 31.10.2009 Nowra 2009 (NSW) | 5 | 332 | 405 |
| 18.09.2010 Ulladulla 2010 (NSW) | 8 | 321 | 414 |
| 06.11.2010 Nowra (NSW) | 13 | 403 | 323 |
| 20.05.2012 Ulladulla (NSW) | 6 | 338 | 359 |
| 20.05.2012 Ulladulla (NSW) | 14 | 299 | 334 |
| Head-to-head after 11 games | 4 | 7 | |
| Average score | 341 | 359.45 | |
| Spread: | -203 | 203 | |