| Date | Tournament | State | Round | Kathryn Tiffen | Jan Chapman |
|---|---|---|---|---|---|
| 31/05/2008 | Woy Woy | NSW | 6 | 371 | 380 |
| 09/08/2008 | Empire Bay | NSW | 3 | 336 | 409 |
| 05/06/2010 | WOYWOY 2010 | NSW | 6 | 303 | 423 |
| 04/06/2011 | Woy Woy | NSW | 1 | 280 | 362 |
| 26/11/2017 | Central Coast Champ | NSW | 5 | 335 | 421 |
| 02/06/2018 | Central Coast | NSW | 5 | 441 | 239 |
| 28/10/2018 | Empire Bay | NSW | 1 | 384 | 391 |
| 25/11/2018 | Central Coast Championship | NSW | 1 | 448 | 320 |
| Head-to-head after 8 games | 2 | 6 | |||
| Average score | 362.25 | 368.12 | |||
| Spread | -47 | 47 | |||