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| white | black | year | event | guessed | |
| Hashimoto Utaro (7p) | Hayashi Yutaro (6p) | 1940 | Japan Promotion Tournament, 1940 | | start |
| Segoe Kensaku (7p) | Kitani Minoru (7p) | 1940 | Japan Promotion Tournament, 1940 | | start |
| Takagawa Kaku (5p) | Shimamura Toshihiro (5p) | 1940 | Nihon Ki-in Win & Continue sponsored by Shin Aichi Shinbun | | start |
| Iwamoto Kaoru (6p) | Takagawa Kaku (5p) | 1940 | Yomiuri Uchikomi Win & Continue | | start |
| Sometani Kazuo (4p) | Takagawa Kaku (5p) | 1940 | Kansai Branch Oteai sponsored by Kobe Shinbun | | start |
| Kitani Minoru (7p) | Hashimoto Utaro (7p) | 1940 | Japan Promotion Tournament, 1940 | | start |
| Onoda Chiyotaro (7p) | Hashimoto Utaro (7p) | 1940 | Japan Promotion Tournament, 1940 | | start |
| Kitani Minoru (7p) | Iwamoto Kaoru (6p) | 1940 | Japan Promotion Tournament, 1940 | | start |
| Segoe Kensaku (6p) | Iwamoto Kaoru (4p) | 1940 | | | start |
| Takagawa Kaku (5p) | Tainaka Shin (4p) | 1940 | Japan Promotion Tournament, 1940 | | start |
| Fukuda Masayoshi (5p) | Takagawa Kaku (5p) | 1940 | Nihon Ki-in Win & Continue sponsored by Shin Aichi Shinbun | | start |
| Kitani Minoru (7p) | Go Seigen (7p) | 1941 | 1st Honinbo | | start |
| Segoe Kensaku (7p) | Go Seigen (7p) | 1941 | 1st Honinbo | | start |
| Segoe Kensaku (7p) | Hasegawa Akira (5p) | 1941 | Japan Promotion Tournament, 1941 | | start |
| Kubomatsu Katsukiyo (7p) | Hashimoto Utaro (7p) | 1941 | | | start |
| Sekiyama Riichi (6p) | Inoue Ichiro (4p) | 1941 | Oteai, Autumn Session | | start |
| Segoe Kensaku (7p) | Kato Shin (6p) | 1941 | 1st Honinbo | | start |
| Sekiyama Riichi (6p) | Kato Shin (1p) | 1941 | | | start |
| Sekiyama Riichi (6p) | Kato Shin (1p) | 1941 | | | start |
| Kubomatsu Katsukiyo (7p) | Kitani Minoru (7p) | 1941 | | | start |
| Segoe Kensaku (7p) | Kubomatsu Katsukiyo (6p) | 1941 | 1st Honinbo | | start |
| Go Seigen (7p) | Maeda Nobuaki (6p) | 1941 | East-West Japan Match sponsored by Hochi Shinbun | | start |
| Hashimoto Utaro (7p) | Maeda Nobuaki (6p) | 1941 | East-West Japan match sponsored by Hochi Shinbun | | start |
| Inoue Ichiro (4p) | Miyashita Shuyo (4p) | 1941 | Oteai, Spring Session | | start |
| Takagawa Kaku (6p) | Mukai Kazuo (4p) | 1941 | Japan Promotion Tournament, 1941 | | start |
