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Teikei Cups
In 2021, Teikei Co., Ltd. started sponsoring
three Go events, here called the
Teikei Shunei Cup (テイケイ杯俊英戦),
the Teikei Legend Cup (テイケイ杯レジェンド戦),
and the Teikei Women's Legend Cup
(テイケイ杯女流レジェンド戦).
Teikei Legend Cup
| # | year | winner | runner-up | sgf |
| 1 | 2022 |
Sonoda Yuichi | Aoki Kikuyo |
sgf |
| 2 | 2023 |
Cho Chikun | Kobayashi Satoru |
sgf |
| 3 | 2024 |
Kataoka Satoshi | Kobayashi Satoru |
sgf |
| 4 | 2025 |
Hikosaka Naoto | Cho Chikun |
sgf |