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| white | black | year | event | guessed | |
| Takagawa Kaku (5p) | Fukuda Masayoshi (5p) | 1941 | Japan Promotion Tournament, 1941 | | start |
| Maeda Nobuaki (6p) | Go Seigen (7p) | 1941 | Oteai | | start |
| Sekiyama Riichi (6p) | Hasegawa Akira (5p) | 1941 | Oteai, Spring Session | | start |
| Onoda Chiyotaro (7p) | Hashimoto Utaro (7p) | 1941 | Quick Go Championship sponsored by Metropolitan newspaper | | start |
| Go Seigen (7p) | Kitani Minoru (7p) | 1941 | Kamakura 10-game match | | start |
| Kitani Minoru (7p) | Kubomatsu Katsukiyo (7p) | 1941 | | | start |
| Go Seigen (7p) | Onoda Chiyotaro (7p) | 1941 | Japan Promotion Tournament, 1941, Early | | start |
| Kitani Minoru (7p) | Yamabe Toshiro (1p) | 1941 | Model Two-stone Games sponsored by Tokyo Nichi Shinbun & Osaka Mainichi Shinbun | | start |
| Sakata Eio (5p) | Fukuda Masayoshi (5p) | 1941 | 2nd Honinbo | | start |
| Hayashi Yutaro (7p) | Go Seigen (7p) | 1941 | Japan Promotion Tournament, 1941, Early | | start |
| Segoe Kensaku (7p) | Go Seigen (7p) | 1941 | Fast Go Championship Tournament sponsored by Miyako Shinbun (Kyoto) | | start |
| Kitani Minoru (7p) | Iwamoto Kaoru (7p) | 1941 | Japan Promotion Tournament, 1941 | | start |
| Hashimoto Utaro (7p) | Kitani Minoru (7p) | 1941 | Japan Promotion Tournament, 1941 | | start |
| Kubomatsu Katsukiyo (7p) | Kitani Minoru (7p) | 1941 | | | start |
| Hashimoto Utaro (7p) | Murashima Yoshinori (5p) | 1941 | East-West Japan Match sponsored by Hochi Shinbun | | start |
| Takagawa Kaku (6p) | Murashima Yoshinori (6p) | 1941 | Hochi East-West Japan Match | | start |
| Kato Shin (7p) | Sekiyama Riichi (6p) | 1941 | 1st Honinbo Final | | start |
| Go Seigen (7p) | Shinohara Masami (5p) | 1941 | Japan Promotion Tournament, 1941, Early | | start |
| Maeda Nobuaki (6p) | Takagawa Kaku (6p) | 1941 | Hayago Championship sponsored by Miyako Shinbun | | start |
| Murashima Yoshinori (5p) | Yamaguchi Shigeharu (5p) | 1941 | 2nd Honinbo | | start |
| Kitani Minoru (7p) | Fujisawa Hosai (6p) | 1941 | Japan Promotion Tournament, 1941 | | start |
| Hasegawa Akira (5p) | Fujisawa Kuranosuke (6p) | 1941 | 2nd Honinbo | | start |
| Hosokawa Senjin (6p) | Mitsuhara Itaro (6p) | 1941 | 2nd Honinbo | | start |
| Iwamoto Kaoru (7p) | Sekiyama Riichi (6p) | 1941 | Oteai, Spring Session {held over} | | start |
| Kosugi Tei (4p) | Fujisawa Shuko (1p) | 1941 | | | start |
