| Tournament | Round | Kathryn Tiffen | Shirley Crocker |
| 02.06.2007 Woy Woy (NSW) | 7 | 446 | 245 |
| 15.03.2008 Wyong (NSW) | 6 | 291 | 389 |
| 31.05.2008 Woy Woy (NSW) | 5 | 389 | 359 |
| 30.05.2009 Woy Woy (NSW) | 3 | 380 | 378 |
| 04.06.2011 Woy Woy (NSW) | 4 | 355 | 402 |
| 31.05.2014 CENTRAL COAST (NSW) | 2 | 364 | 325 |
| 30.11.2014 Central Coast C'SHIP (NSW) | 5 | 237 | 463 |
| 29.03.2015 EMPIRE BAY MINI (NSW) | 7 | 375 | 375 |
| 29.11.2015 Central Coast Championships (NSW) | 7 | 386 | 372 |
| 23.07.2017 EMPIRE BAY Mini (2) (NSW) | 4 | 353 | 350 |
| 02.06.2018 Central Coast (NSW) | 4 | 275 | 425 |
| 28.10.2018 Empire Bay (NSW) | 5 | 347 | 422 |
| 25.11.2018 Central Coast Championship (NSW) | 6 | 334 | 448 |
| Head-to-head after 13 games | 6.5 | 6.5 | |
| Average score | 348.61 | 381 | |
| Spread: | -421 | 421 | |