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| white | black | year | event | guessed | |
| Go Seigen (9d) | Shimamura Toshihiro (8d) | 1956 | Sponsored by Yomiuri Shinbun | | start |
| Maeda Nobuaki (7p) | Shimamura Toshihiro (8p) | 1956 | 1st Saikoi | | start |
| Hashimoto Utaro (9p) | Sugiuchi Masao (8p) | 1956 | 11th Honinbo | | start |
| Takagawa Kaku (8p) | Go Seigen (9p) | 1956 | Mainichi 3-game match | | start |
| Hashimoto Utaro (9p) | Handa Dogen (7p) | 1956 | Sponsored by Kobe Shinbun | | start |
| Fujisawa Kuranosuke (9p) | Hashimoto Utaro (9p) | 1956 | 4th Oza | | start |
| Sakata Eio (9p) | Hashimoto Utaro (9p) | 1956 | 4th Oza Final | | start |
| Kitani Minoru (8p) | Hosokawa Senjin (7p) | 1956 | Lightning Go Meijin, 1st | | start |
| Go Seigen (9p) | Iwata Masao (6p) | 1956 | "Go 9-dan versus Promising Newcomers" series sponsored by Yomiuri Shinbun | | start |
| Sakata Eio (9p) | Magari Reiki (7p) | 1956 | Lightning Go Meijin, 1st | | start |
| Takagawa Shukaku (8p) | Miyashita Shuyo (8p) | 1956 | 2nd Saikoi League | | start |
| Kitani Minoru (8p) | Takagawa Shukaku (8p) | 1956 | 2nd Saikoi League | | start |
| Shinohara Masami (7p) | Fujisawa Shuko (7p) | 1956 | Japan Promotion Tournament, 1956 | | start |
| Hashimoto Utaro (9p) | Kariya Hiraku (6p) | 1956 | Kansai Ki-in Oteai | | start |
| Miyashita Shuyo (8p) | Kitani Minoru (8p) | 1956 | East-West Japan Match, 1956 | | start |
| Yamabe Toshiro (7p) | Kitani Minoru (8p) | 1956 | 2nd Saikoi League | | start |
| Hashimoto Utaro (9p) | Kubouchi Shuchi (8p) | 1956 | 3-game match sponsored by Sanyo Shunbun | | start |
| Hashimoto Utaro (9p) | Sakata Eio (9p) | 1956 | 4th Oza Final | | start |
| Magari Reiki (7p) | Sakata Eio (9p) | 1956 | Lightning Go Meijin, 1st | | start |
| Kitani Minoru (8p) | Shimamura Toshihiro (8p) | 1956 | 2nd Saikoi League | | start |
| Go Seigen (9p) | Suzuki Etsuo (7p) | 1956 | "Go 9-dan versus Promising Newcomers" series sponsored by Yomiuri Shinbun | | start |
| Go Seigen (9p) | Takagawa Shukaku (8p) | 1956 | 10-game match | | start |
| Go Seigen (9p) | Takagawa Shukaku (8p) | 1956 | Yomiuri 10-game match | | start |
| Iwamoto Kaoru (8p) | Takagawa Shukaku (8p) | 1956 | 2nd Saikoi League | | start |
| Maeda Nobuaki (8p) | Kitani Minoru (8p) | 1956 | 2nd Saikoi League | | start |
