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| white | black | year | event | guessed | |
| Takagawa Kaku (7p) | Segawa Yoshio (5p) | 1950 | Japan Promotion Tournament, 1950 | | start |
| Fujisawa Hosai (9p) | Takagawa Kaku (7p) | 1950 | Japan Promotion Tournament, 1950 | | start |
| Takagawa Kaku (7p) | Takahashi Shigeyuki (5p) | 1950 | High-dan Win & Continue tournament sponsored by Chubu Nippon Shinbun | | start |
| Fujisawa Shuko (5p) | Takeda Hiroyoshi (3p) | 1950 | Japan Promotion Tournament, 1950 | | start |
| Tainaka Shin (6p) | Fujisawa Shuko (5p) | 1950 | Japan Promotion Tournament, 1950 | | start |
| Kitani Minoru (8p) | Hosokawa Senjin (7p) | 1950 | Japan Promotion Tournament, 1950 | | start |
| Fujisawa Shuko (5p) | Matsuura Yoshihiro (4p) | 1950 | Japan Promotion Tournament, 1950 | | start |
| Sakata Eio (7p) | Miyashita Shuyo (7p) | 1950 | Japan Promotion Tournament, 1950 | | start |
| Hasegawa Akira (7p) | Takagawa Kaku (7p) | 1950 | Japan Promotion Tournament, 1950 | | start |
| Shimamura Toshihiro (6p) | Takagawa Kaku (7p) | 1950 | Japan Promotion Tournament, 1950 | | start |
| Kajiwara Takeo (6p) | Hashimoto Utaro (8p) | 1950 | East vs. West Japan Win & Continue Tournament | | start |
| Hashimoto Utaro (8p) | Nabeshima Ichiro (6p) | 1950 | Sponsored by Kobe Shinbun | | start |
| Miyashita Shuyo (7p) | Fujisawa Hideyuki (6p) | 1950 | 6th Honinbo | | start |
| Hashimoto Utaro (8p) | Go Seigen (9p) | 1950 | 3-game match sponsored by Mainichi Shinbun | | start |
| Go Seigen (9p) | Hashimoto Utaro (8p) | 1950 | Second 10-game match sponsored by Yomiuri Shinbun | | start |
| Miwa Yoshiro (5p) | Magari Reiki (5p) | 1950 | 6th Honinbo | | start |
| Maeda Nobuaki (7p) | Sakai Michiharu (6p) | 1950 | 6th Honinbo | | start |
| Yamabe Toshiro (5p) | Takagawa Kaku (7p) | 1950 | Reimeikai meeting | | start |
| Hasegawa Akira (7p) | Fujisawa Kuranosuke (9p) | 1950 | 6th Honinbo League | | start |
| Mitsuhara Itaro (7p) | Fujisawa Kuranosuke (9p) | 1950 | 6th Honinbo | | start |
| Miyashita Shuyo (7p) | Fujisawa Kuranosuke (9p) | 1950 | 6th Honinbo | | start |
| Hashimoto Utaro (8p) | Go Seigen (9p) | 1950 | Second 10-game match sponsored by Yomiuri Shinbun | | start |
| Go Seigen (9p) | Hashimoto Utaro (8p) | 1950 | 3-game match sponsored by Mainichi Shinbun | | start |
| Iwamoto Kaoru (8p) | Kitani Minoru (8p) | 1950 | 6th Honinbo League | | start |
| Sakata Eio (7p) | Magari Reiki (5p) | 1950 | 6th Honinbo | | start |
