| Tournament | Round | Kathryn Tiffen | Ann Boorer |
| 31.05.2008 Woy Woy (NSW) | 2 | 353 | 346 |
| 22.03.2009 Wyong (NSW) | 4 | 380 | 372 |
| 24.11.2013 CC C'SHIP 1 DAY (NSW) | 7 | 346 | 246 |
| 30.11.2014 Central Coast C'SHIP (NSW) | 6 | 391 | 290 |
| 30.05.2015 Central Coast (NSW) | 7 | 388 | 288 |
| 26.11.2017 Central Coast Champ (NSW) | 6 | 392 | 260 |
| 22.07.2018 Empire Bay Mini (2) (NSW) | 5 | 474 | 266 |
| 01.06.2019 jack frost tournament (NSW) | 7 | 476 | 239 |
| Head-to-head after 8 games | 8 | 0 | |
| Average score | 400 | 288.37 | |
| Spread: | 893 | -893 | |