| Tournament | Round | Kathryn Tiffen | Stephanie Muldoon |
| 04.06.2005 Woy Woy (NSW) | 3 | 452 | 290 |
| 18.03.2006 Wyong (NSW) | 6 | 357 | 408 |
| 03.06.2006 Woy Woy (NSW) | 3 | 368 | 351 |
| 17.03.2007 Wyong (NSW) | 1 | 321 | 344 |
| 09.08.2008 Empire Bay (NSW) | 1 | 396 | 404 |
| 29.11.2015 Central Coast Championships (NSW) | 6 | 262 | 573 |
| 27.11.2016 Central Coast Champs (NSW) | 7 | 481 | 337 |
| 23.07.2017 EMPIRE BAY Mini (2) (NSW) | 3 | 467 | 313 |
| 02.06.2018 Central Coast (NSW) | 7 | 360 | 280 |
| 25.11.2018 Central Coast Championship (NSW) | 4 | 324 | 385 |
| 01.06.2019 jack frost tournament (NSW) | 3 | 417 | 331 |
| 20.03.2022 Empire Bay (NSW) | 1 | 369 | 299 |
| Head-to-head after 12 games | 7 | 5 | |
| Average score | 381.16 | 359.58 | |
| Spread: | 259 | -259 | |