| Tournament | Round | Jan Chapman | Kathryn Tiffen |
| 31.05.2008 Woy Woy (NSW) | 6 | 380 | 371 |
| 09.08.2008 Empire Bay (NSW) | 3 | 409 | 336 |
| 05.06.2010 WOYWOY 2010 (NSW) | 6 | 423 | 303 |
| 04.06.2011 Woy Woy (NSW) | 1 | 362 | 280 |
| 26.11.2017 Central Coast Champ (NSW) | 5 | 421 | 335 |
| 02.06.2018 Central Coast (NSW) | 5 | 239 | 441 |
| 28.10.2018 Empire Bay (NSW) | 1 | 391 | 384 |
| 25.11.2018 Central Coast Championship (NSW) | 1 | 320 | 448 |
| Head-to-head after 8 games | 6 | 2 | |
| Average score | 368.12 | 362.25 | |
| Spread: | 47 | -47 | |