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| white | black | year | event | guessed | |
| Go Seigen (9p) | Miyashita Shuyo (8p) | 1955 | Three-game match in "Go versus New 8-dan Stars" series sponsored by Yomiuri Shinbun | | start |
| Sakata Eio (9p) | Miyashita Shuyo (8p) | 1955 | 1st Saikoi League | | start |
| Takagawa Kaku (8p) | Shimamura Toshihiro (8p) | 1955 | Honinbo, 10th | | start |
| Shimamura Toshihiro (8p) | Takagawa Kaku (8p) | 1955 | 10th Honinbo Final | | start |
| Hashimoto Utaro (9p) | Miyashita Shuyo (8p) | 1955 | 3rd Oza | | start |
| Iwamoto Kaoru (8p) | Sakata Eio (9p) | 1955 | 1st Saikoi League | | start |
| Shinohara Masami (7p) | Sakata Eio (9p) | 1955 | 1st Saikoi League | | start |
| Takagawa Kaku (8p) | Shimamura Toshihiro (8p) | 1955 | Honinbo, 10th | | start |
| Takagawa Shukaku (8p) | Shimamura Toshihiro (8p) | 1955 | 10th Honinbo Title | | start |
| Go Seigen (9p) | Sugiuchi Masao (8p) | 1955 | Three-game match in "Go versus New 8-dan Stars" series sponsored by Yomiuri Shinbun | | start |
| Sakata Eio (9p) | Sugiuchi Masao (8p) | 1955 | 1st Saikoi League | | start |
| Shimamura Toshihiro (3p) | Takagawa Kaku (8p) | 1955 | | | start |
| Takagawa Shukaku (8p) | Go Seigen (9p) | 1955 | Yomiuri 10-game match | | start |
| Hashimoto Utaro (9p) | Hashimoto Shoji (7p) | 1955 | Japan Promotion Tournament, 1955 | | start |
| Hashimoto Utaro (9p) | Kubouchi Shuchi (8p) | 1955 | New 8-dan versus Hashimoto | | start |
| Sakata Eio (9p) | Maeda Nobuaki (7p) | 1955 | 1st Saikoi League | | start |
| Hashimoto Utaro (9p) | Sato Sunao (7p) | 1955 | Kansai Ki-in Oteai | | start |
| Go Seigen (9p) | Takagawa Shukaku (8p) | 1955 | 3-game match "Go Seigen vs. the Honinbo" sponsored by Mainichi Shinbun | | start |
| Takagawa Shukaku (8p) | Go Seigen (9p) | 1955 | 3-game match "Go Seigen vs. the Honinbo" sponsored by Mainichi Shinbun | | start |
| Takagawa Shukaku (8p) | Go Seigen (9p) | 1955 | 3-game match "Go Seigen vs. the Honinbo" sponsored by Mainichi Shinbun | | start |
| Go Seigen (9p) | Takagawa Shukaku (8p) | 1955 | Yomiuri 10-game match | | start |
| Miyashita Shuyo (8p) | Go Seigen (9p) | 1955 | Three-game match in "Go versus New 8-dan Stars" series sponsored by Yomiuri Shinbun | | start |
| Takagawa Shukaku (8p) | Murashima Yoshinori (7p) | 1955 | 3rd Nihon Ki-in Championship | | start |
| Takagawa Shukaku (8p) | Nakamura Yutaro (6p) | 1955 | 3rd Nihon Ki-in Highest Dans Tournament | | start |
| Hashimoto Utaro (9p) | Sato Sunao (7p) | 1955 | 3rd Oza | | start |
