| Tournament | Round | Betty Irwin | Yvonne Pollard |
| 27.05.2001 Ulladulla (NSW) | 10 | 335 | 360 |
| 16.06.2001 Wollongong Marj Babb (NSW) | 2 | 342 | 341 |
| 23.02.2002 Wollongong (NSW) | 2 | 363 | 358 |
| 26.05.2002 Ulladulla (NSW) | 7 | 235 | 423 |
| 22.06.2002 Wollongong Marj Babb (NSW) | 3 | 383 | 348 |
| 22.02.2003 Wollongong (NSW) | 3 | 419 | 337 |
| 19.02.2005 Wollongong (NSW) | 8 | 363 | 338 |
| 22.02.2006 Ulladulla Summer Games Wednesday (NSW) | 1 | 309 | 348 |
| 20.02.2007 Ulladulla Summer Games Tuesday (NSW) | 2 | 378 | 316 |
| 21.02.2007 Ulladulla Summer Games Wednesday (NSW) | 2 | 385 | 276 |
| 15.03.2009 Bomaderry March 2009 (NSW) | 7 | 289 | 330 |
| 16.05.2009 Ulladulla (NSW) | 1 | 347 | 306 |
| 16.05.2009 Ulladulla (NSW) | 10 | 345 | 433 |
| 18.09.2010 Ulladulla 2010 (NSW) | 12 | 448 | 320 |
| 15.05.2011 Ulladulla (NSW) | 4 | 347 | 364 |
| 20.05.2012 Ulladulla (NSW) | 9 | 391 | 347 |
| Head-to-head after 16 games | 10 | 6 | |
| Average score | 354.93 | 346.56 | |
| Spread: | 134 | -134 | |