| Tournament | Round | Kathryn Tiffen | Denise Smith |
| 31.05.2014 CENTRAL COAST (NSW) | 3 | 248 | 413 |
| 23.05.2021 EmpireBayMay (NSW) | 7 | 376 | 430 |
| 20.03.2022 Empire Bay (NSW) | 3 | 367 | 374 |
| 02.04.2022 LAKE MACQUARIE 2022 (NSW) | 3 | 314 | 365 |
| 26.11.2022 LAKE MACQUARIE SPRING (NSW) | 6 | 377 | 338 |
| 04.03.2023 LAKE MACQUARIE AUTUMN (NSW) | 7 | 386 | 283 |
| Head-to-head after 6 games | 2 | 4 | |
| Average score | 344.66 | 367.16 | |
| Spread: | -135 | 135 | |