| Tournament | Round | Kathryn Tiffen | Maureen Dobb |
| 05.06.2004 Woy Woy (NSW) | 6 | 228 | 337 |
| 04.06.2005 Woy Woy (NSW) | 6 | 297 | 405 |
| 25.11.2006 Central Coast (NSW) | 8 | 412 | 282 |
| 15.03.2008 Wyong (NSW) | 7 | 356 | 413 |
| 05.06.2010 WOYWOY 2010 (NSW) | 3 | 306 | 323 |
| 21.11.2010 Central Coast Sunday (NSW) | 7 | 399 | 335 |
| 13.08.2011 Empire Bay (NSW) | 2 | 394 | 336 |
| 24.11.2013 CC C'SHIP 1 DAY (NSW) | 3 | 348 | 370 |
| Head-to-head after 8 games | 3 | 5 | |
| Average score | 342.5 | 350.12 | |
| Spread: | -61 | 61 | |