| Tournament | Round | Kathryn Tiffen | Margaret Clifford |
| 21.03.2004 Wyong (NSW) | 6 | 362 | 375 |
| 04.06.2005 Woy Woy (NSW) | 4 | 262 | 408 |
| 15.03.2008 Wyong (NSW) | 1 | 385 | 421 |
| 22.11.2009 Central Coast Championships (NSW) | 4 | 340 | 370 |
| 20.11.2011 CENTRAL COAST One Day (NSW) | 6 | 381 | 330 |
| 02.06.2012 WOY WOY (NSW) | 6 | 375 | 361 |
| 25.11.2012 CENTRAL COAST C'SHIP 1 DAY (NSW) | 7 | 472 | 329 |
| 28.10.2018 Empire Bay (NSW) | 4 | 275 | 341 |
| Head-to-head after 8 games | 3 | 5 | |
| Average score | 356.5 | 366.87 | |
| Spread: | -83 | 83 | |