GRAND SLAM CUP
Donated by J Piovana
Most Grand Slams
Winners
| 2025 | Sandy Davies, Elizabeth Fuge & 1st equal | |
| 2024 | Sandie Wright | |
| 2023 | Margaret Clarke & Lynne Long | |
| 2022 | Mark Kuijten | |
| 2021 | Lynne Long | |
| 2019 | Mark Kuijten | |
| 2018 | = Anne Hogg & = Marie Kerrison | |
| 2017 | Gary Hogan |