| Tournament | Round | Kathryn Tiffen | Devorah Ullman |
| 29.03.2015 EMPIRE BAY MINI (NSW) | 3 | 446 | 272 |
| 30.10.2016 Empire Bay Mini 3 (NSW) | 2 | 348 | 317 |
| 23.07.2017 EMPIRE BAY Mini (2) (NSW) | 6 | 408 | 311 |
| 22.07.2018 Empire Bay Mini (2) (NSW) | 4 | 391 | 372 |
| 01.06.2019 jack frost tournament (NSW) | 5 | 404 | 330 |
| 26.11.2022 LAKE MACQUARIE SPRING (NSW) | 3 | 409 | 328 |
| 26.11.2022 LAKE MACQUARIE SPRING (NSW) | 8 | 401 | 331 |
| 04.03.2023 LAKE MACQUARIE AUTUMN (NSW) | 4 | 380 | 290 |
| 08.12.2024 Central Coast Summer (NSW) | 1 | 414 | 353 |
| Head-to-head after 9 games | 9 | 0 | |
| Average score | 400.11 | 322.66 | |
| Spread: | 697 | -697 | |