| Tournament | Round | Kathryn Tiffen | Christine O'Neill |
| 29.03.2015 EMPIRE BAY MINI (NSW) | 6 | 351 | 400 |
| 04.06.2016 Central Coast (NSW) | 3 | 292 | 372 |
| 23.07.2017 EMPIRE BAY Mini (2) (NSW) | 2 | 346 | 366 |
| Head-to-head after 3 games | 0 | 3 | |
| Average score | 329.66 | 379.33 | |
| Spread: | -149 | 149 | |